Sierra Club Loma Prieta Chapter
@sierraclublp.bsky.social
Serving San Benito, San Mateo, and Santa Clara Counties.
Explore, enjoy, and protect the planet 🌎
Explore, enjoy, and protect the planet 🌎
Support Your Local Volunteer Conservation Leaders
Your chapter Executive Committee makes many important decisions.
Watch this video to understand more!
Your chapter Executive Committee makes many important decisions.
Watch this video to understand more!
November 26, 2025 at 9:29 PM
Support Your Local Volunteer Conservation Leaders
Your chapter Executive Committee makes many important decisions.
Watch this video to understand more!
Your chapter Executive Committee makes many important decisions.
Watch this video to understand more!
Join our Water Committee Meeting on December 4th!
Learn more at tinyurl.com/5dtwtxf2
🌊 💖 💦 👍
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
Learn more at tinyurl.com/5dtwtxf2
🌊 💖 💦 👍
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
November 25, 2025 at 10:23 PM
Join our Water Committee Meeting on December 4th!
Learn more at tinyurl.com/5dtwtxf2
🌊 💖 💦 👍
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
Learn more at tinyurl.com/5dtwtxf2
🌊 💖 💦 👍
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
Join our San Mateo hiking section on the 3rd for this 10 mile hike, with 1,650' elevation gain.
🥾⛰
Learn more at tinyurl.com/2eue5d3e
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #castlerockstatepark
🥾⛰
Learn more at tinyurl.com/2eue5d3e
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #castlerockstatepark
November 25, 2025 at 4:58 PM
Join our San Mateo hiking section on the 3rd for this 10 mile hike, with 1,650' elevation gain.
🥾⛰
Learn more at tinyurl.com/2eue5d3e
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #castlerockstatepark
🥾⛰
Learn more at tinyurl.com/2eue5d3e
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #castlerockstatepark
Your chapter Executive Committee makes many important decisions.
Watch this video to understand more!
Support Your Local Volunteer Conservation Leaders.
Watch this video to understand more!
Support Your Local Volunteer Conservation Leaders.
November 21, 2025 at 7:05 PM
Your chapter Executive Committee makes many important decisions.
Watch this video to understand more!
Support Your Local Volunteer Conservation Leaders.
Watch this video to understand more!
Support Your Local Volunteer Conservation Leaders.
This is a fairly challenging 9.5 mile hike. 🥾🌲 Start with a sustained ascent, walk along the ridge marveling at the land regeneration from fire, long narrow canyon trail & finish through the redwoods. Hoping to see lots of FUNGUS AMONGUS!
🍄🟫
tinyurl.com/4hvffa33
🍄🟫
tinyurl.com/4hvffa33
November 21, 2025 at 4:21 PM
This is a fairly challenging 9.5 mile hike. 🥾🌲 Start with a sustained ascent, walk along the ridge marveling at the land regeneration from fire, long narrow canyon trail & finish through the redwoods. Hoping to see lots of FUNGUS AMONGUS!
🍄🟫
tinyurl.com/4hvffa33
🍄🟫
tinyurl.com/4hvffa33
Join our Ski Touring team on the 23rd.
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/ydz8442y
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/ydz8442y
November 20, 2025 at 10:35 PM
Join our Ski Touring team on the 23rd.
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/ydz8442y
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/ydz8442y
Join our Black Mountain hiking section on the 22nd for this 6.8 mile hike, with 1,250' elevation gain.
🥾
Learn more and RSVP at tinyurl.com/mwum4a24
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietablackmountainhiking #castlerockstatepark
🥾
Learn more and RSVP at tinyurl.com/mwum4a24
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietablackmountainhiking #castlerockstatepark
November 20, 2025 at 4:05 PM
Join our Black Mountain hiking section on the 22nd for this 6.8 mile hike, with 1,250' elevation gain.
🥾
Learn more and RSVP at tinyurl.com/mwum4a24
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietablackmountainhiking #castlerockstatepark
🥾
Learn more and RSVP at tinyurl.com/mwum4a24
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietablackmountainhiking #castlerockstatepark
JOINT COMMENT LETTER: Sailing Lake Habitat Island Restoration Alternative 2
In collaboration with Santa Clara Valley Bird Alliance, Green Spaces Mountain View, and Green Foothills
📣
To Mountain View Parks and Recreation Commission and Urban Forestry Board
Full letter at tinyurl.com/37ymyd4u
📑
In collaboration with Santa Clara Valley Bird Alliance, Green Spaces Mountain View, and Green Foothills
📣
To Mountain View Parks and Recreation Commission and Urban Forestry Board
Full letter at tinyurl.com/37ymyd4u
📑
November 18, 2025 at 10:51 PM
JOINT COMMENT LETTER: Sailing Lake Habitat Island Restoration Alternative 2
In collaboration with Santa Clara Valley Bird Alliance, Green Spaces Mountain View, and Green Foothills
📣
To Mountain View Parks and Recreation Commission and Urban Forestry Board
Full letter at tinyurl.com/37ymyd4u
📑
In collaboration with Santa Clara Valley Bird Alliance, Green Spaces Mountain View, and Green Foothills
📣
To Mountain View Parks and Recreation Commission and Urban Forestry Board
Full letter at tinyurl.com/37ymyd4u
📑
Join our next Plastic Pollution Prevention Committee on November 24th!
✨ 🙌
Learn more at tinyurl.com/3jmknzhb
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
✨ 🙌
Learn more at tinyurl.com/3jmknzhb
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
November 18, 2025 at 8:47 PM
Join our next Plastic Pollution Prevention Committee on November 24th!
✨ 🙌
Learn more at tinyurl.com/3jmknzhb
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
✨ 🙌
Learn more at tinyurl.com/3jmknzhb
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
COMMENT LETTER: Stanford Dark Sky Ordinance
📣
tinyurl.com/58fvabwx
📑
"In reviewing the letter sent by Stanford University to the City, the Sierra Club Loma Prieta Chapter has some responses that are relevant to consider as Council deliberates on topics raised by this ordinance."
📣
tinyurl.com/58fvabwx
📑
"In reviewing the letter sent by Stanford University to the City, the Sierra Club Loma Prieta Chapter has some responses that are relevant to consider as Council deliberates on topics raised by this ordinance."
November 17, 2025 at 7:17 PM
COMMENT LETTER: Stanford Dark Sky Ordinance
📣
tinyurl.com/58fvabwx
📑
"In reviewing the letter sent by Stanford University to the City, the Sierra Club Loma Prieta Chapter has some responses that are relevant to consider as Council deliberates on topics raised by this ordinance."
📣
tinyurl.com/58fvabwx
📑
"In reviewing the letter sent by Stanford University to the City, the Sierra Club Loma Prieta Chapter has some responses that are relevant to consider as Council deliberates on topics raised by this ordinance."
Join our San Mateo hiking section on the 19th for this eight mile hike.
🥾🌱
Learn more at tinyurl.com/yesz4ex8
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #purisimaopenspacepreserve
🥾🌱
Learn more at tinyurl.com/yesz4ex8
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #purisimaopenspacepreserve
November 12, 2025 at 11:00 PM
Join our San Mateo hiking section on the 19th for this eight mile hike.
🥾🌱
Learn more at tinyurl.com/yesz4ex8
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #purisimaopenspacepreserve
🥾🌱
Learn more at tinyurl.com/yesz4ex8
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #purisimaopenspacepreserve
Local Chapter Voting begins 11/15
🗳
A mail-in ballot will reach you before 11/15. Online voting is an option and starts on 11/15 at sc.org/lp-elections.
📅
Votes must be received by 12/15.
Please vote early, and don’t forget to sign your ballot so your vote counts!
💚
🗳
A mail-in ballot will reach you before 11/15. Online voting is an option and starts on 11/15 at sc.org/lp-elections.
📅
Votes must be received by 12/15.
Please vote early, and don’t forget to sign your ballot so your vote counts!
💚
November 11, 2025 at 11:00 PM
Local Chapter Voting begins 11/15
🗳
A mail-in ballot will reach you before 11/15. Online voting is an option and starts on 11/15 at sc.org/lp-elections.
📅
Votes must be received by 12/15.
Please vote early, and don’t forget to sign your ballot so your vote counts!
💚
🗳
A mail-in ballot will reach you before 11/15. Online voting is an option and starts on 11/15 at sc.org/lp-elections.
📅
Votes must be received by 12/15.
Please vote early, and don’t forget to sign your ballot so your vote counts!
💚
Join our Sierra Pathfinders on 11/16 for this 8.6-mile trek , with a 1,450' elevation gain. Instead of the exposed summit, the group will dive into the heart of the preserve via the Hamms Gulch Trail. With 90% on single track & 10% of the time on double-track fire roads.
🥾⛰
tinyurl.com/4c65nfjh
🥾⛰
tinyurl.com/4c65nfjh
November 10, 2025 at 11:00 PM
Join our Sierra Pathfinders on 11/16 for this 8.6-mile trek , with a 1,450' elevation gain. Instead of the exposed summit, the group will dive into the heart of the preserve via the Hamms Gulch Trail. With 90% on single track & 10% of the time on double-track fire roads.
🥾⛰
tinyurl.com/4c65nfjh
🥾⛰
tinyurl.com/4c65nfjh
There'll be birdwatching, botany observation, and a fun day hike in the wonderful Coyote Hills Park, which is right on the eastern edge of San Francisco Bay. The group will walk on the boardwalk in the marsh and see wildlife and, hopefully, the early winter birds.
🥾🇺🇸🐦🌱
tinyurl.com/3s3zmnmc
🥾🇺🇸🐦🌱
tinyurl.com/3s3zmnmc
November 9, 2025 at 11:00 PM
There'll be birdwatching, botany observation, and a fun day hike in the wonderful Coyote Hills Park, which is right on the eastern edge of San Francisco Bay. The group will walk on the boardwalk in the marsh and see wildlife and, hopefully, the early winter birds.
🥾🇺🇸🐦🌱
tinyurl.com/3s3zmnmc
🥾🇺🇸🐦🌱
tinyurl.com/3s3zmnmc
“Towards True Restoration: Changing the Logging Mandate at Jackson Demonstration State Forest (JDSF)”
11/17, 4pm
By Melodie Meyer
🌳💖🌲
JDSF as a demonstration forest, a brief history of demonstration forests, the current logging mandate, & why & how it needs to change.
tinyurl.com/3tuu5t3p
11/17, 4pm
By Melodie Meyer
🌳💖🌲
JDSF as a demonstration forest, a brief history of demonstration forests, the current logging mandate, & why & how it needs to change.
tinyurl.com/3tuu5t3p
November 9, 2025 at 12:00 AM
“Towards True Restoration: Changing the Logging Mandate at Jackson Demonstration State Forest (JDSF)”
11/17, 4pm
By Melodie Meyer
🌳💖🌲
JDSF as a demonstration forest, a brief history of demonstration forests, the current logging mandate, & why & how it needs to change.
tinyurl.com/3tuu5t3p
11/17, 4pm
By Melodie Meyer
🌳💖🌲
JDSF as a demonstration forest, a brief history of demonstration forests, the current logging mandate, & why & how it needs to change.
tinyurl.com/3tuu5t3p
Join our Ski Touring team on 11/16.
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/4apc4xuy
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/4apc4xuy
November 8, 2025 at 10:00 PM
Join our Ski Touring team on 11/16.
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/4apc4xuy
🗻
For this short outing, the group will practice the use of avalanche transceivers or beacons by burying a transmitting unit in the sand at the beach, then having participants using their own beacons to locate the buried beacon.
❄️
tinyurl.com/4apc4xuy
JOINT COMMENT LETTER: Dark Sky (Outdoor Lighting) Ordinance
📣
To Palo Alto Mayor and City Council
Read the full letter at tinyurl.com/5bbwktv4
📑
In collaboration with Santa Clara Valley Bird Alliance
📣
To Palo Alto Mayor and City Council
Read the full letter at tinyurl.com/5bbwktv4
📑
In collaboration with Santa Clara Valley Bird Alliance
November 8, 2025 at 12:21 AM
JOINT COMMENT LETTER: Dark Sky (Outdoor Lighting) Ordinance
📣
To Palo Alto Mayor and City Council
Read the full letter at tinyurl.com/5bbwktv4
📑
In collaboration with Santa Clara Valley Bird Alliance
📣
To Palo Alto Mayor and City Council
Read the full letter at tinyurl.com/5bbwktv4
📑
In collaboration with Santa Clara Valley Bird Alliance
Join Loma Prieta Pride Sierrans on 11/15.
Check out:
👉 Arizona Garden
🥾 Papua New Guinea Sculpture Garden
🌱 Cantor Art Center Sculpture Garden
🏳️🌈 George Segal’s Gay Liberation sculpture
🎓 Stanford Clock Tower
🏳️⚧️ Stone River (Andy Goldsworthy)
🎨 Lake Lagunita.
RSVP tinyurl.com/57kvnhh4
@stanford.edu
Check out:
👉 Arizona Garden
🥾 Papua New Guinea Sculpture Garden
🌱 Cantor Art Center Sculpture Garden
🏳️🌈 George Segal’s Gay Liberation sculpture
🎓 Stanford Clock Tower
🏳️⚧️ Stone River (Andy Goldsworthy)
🎨 Lake Lagunita.
RSVP tinyurl.com/57kvnhh4
@stanford.edu
November 7, 2025 at 8:29 PM
Join Loma Prieta Pride Sierrans on 11/15.
Check out:
👉 Arizona Garden
🥾 Papua New Guinea Sculpture Garden
🌱 Cantor Art Center Sculpture Garden
🏳️🌈 George Segal’s Gay Liberation sculpture
🎓 Stanford Clock Tower
🏳️⚧️ Stone River (Andy Goldsworthy)
🎨 Lake Lagunita.
RSVP tinyurl.com/57kvnhh4
@stanford.edu
Check out:
👉 Arizona Garden
🥾 Papua New Guinea Sculpture Garden
🌱 Cantor Art Center Sculpture Garden
🏳️🌈 George Segal’s Gay Liberation sculpture
🎓 Stanford Clock Tower
🏳️⚧️ Stone River (Andy Goldsworthy)
🎨 Lake Lagunita.
RSVP tinyurl.com/57kvnhh4
@stanford.edu
Our Military Outdoors is pleased to tribute our veterans in honor of Veterans Day!
If you're a veteran, you're invited.
🇺🇸
👍 Ranger led tour of Bay Model Visitor Center
🥪 Picnic lunch (provided by Military Outdoor)
⛵️ Tour of Spaulding Marine Center (optional).
🌉
RSVP tinyurl.com/2yv73bbn
If you're a veteran, you're invited.
🇺🇸
👍 Ranger led tour of Bay Model Visitor Center
🥪 Picnic lunch (provided by Military Outdoor)
⛵️ Tour of Spaulding Marine Center (optional).
🌉
RSVP tinyurl.com/2yv73bbn
November 6, 2025 at 10:50 PM
Our Military Outdoors is pleased to tribute our veterans in honor of Veterans Day!
If you're a veteran, you're invited.
🇺🇸
👍 Ranger led tour of Bay Model Visitor Center
🥪 Picnic lunch (provided by Military Outdoor)
⛵️ Tour of Spaulding Marine Center (optional).
🌉
RSVP tinyurl.com/2yv73bbn
If you're a veteran, you're invited.
🇺🇸
👍 Ranger led tour of Bay Model Visitor Center
🥪 Picnic lunch (provided by Military Outdoor)
⛵️ Tour of Spaulding Marine Center (optional).
🌉
RSVP tinyurl.com/2yv73bbn
Join our San Mateo hiking section on the 12th on this eight mile hike with 1,350' elevation gain.
🥾 🌱
Learn more at tinyurl.com/4pd25nrf
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #stevenscreekcountypark #fremontolderopenspacepreserve
🥾 🌱
Learn more at tinyurl.com/4pd25nrf
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #stevenscreekcountypark #fremontolderopenspacepreserve
November 5, 2025 at 4:30 PM
Join our San Mateo hiking section on the 12th on this eight mile hike with 1,350' elevation gain.
🥾 🌱
Learn more at tinyurl.com/4pd25nrf
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #stevenscreekcountypark #fremontolderopenspacepreserve
🥾 🌱
Learn more at tinyurl.com/4pd25nrf
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #stevenscreekcountypark #fremontolderopenspacepreserve
COMMENT LETTER: Air Conditioning to Heat Pump Reach Codes
📣
Read the full letter at tinyurl.com/mt92ek9y
📑
"[...] supports the adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
📣
Read the full letter at tinyurl.com/mt92ek9y
📑
"[...] supports the adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
November 5, 2025 at 12:26 AM
COMMENT LETTER: Air Conditioning to Heat Pump Reach Codes
📣
Read the full letter at tinyurl.com/mt92ek9y
📑
"[...] supports the adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
📣
Read the full letter at tinyurl.com/mt92ek9y
📑
"[...] supports the adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
COMMENT LETTER: Air Conditioning to Heat Pump Reach Codes
📣
Full article: tinyurl.com/jf9bjb4z
📑
"[...] our strong support for adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
📣
Full article: tinyurl.com/jf9bjb4z
📑
"[...] our strong support for adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
November 4, 2025 at 11:29 PM
COMMENT LETTER: Air Conditioning to Heat Pump Reach Codes
📣
Full article: tinyurl.com/jf9bjb4z
📑
"[...] our strong support for adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
📣
Full article: tinyurl.com/jf9bjb4z
📑
"[...] our strong support for adoption of the 2025 CALGreen reach code to encourage that all air conditioning (AC) replacements in single-family homes include both cooling and heating modes."
Join our next Plastic Pollution Prevention Committee on November 10th!
✨ 🙌
Learn more at tinyurl.com/mtndpeza
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
✨ 🙌
Learn more at tinyurl.com/mtndpeza
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
November 3, 2025 at 4:11 PM
Join our next Plastic Pollution Prevention Committee on November 10th!
✨ 🙌
Learn more at tinyurl.com/mtndpeza
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
✨ 🙌
Learn more at tinyurl.com/mtndpeza
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#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
Join Loma Prieta Pride Sierrans on 11/9 & experience an urban to suburban transition trail, with experiences from childrens' play grounds to beaver dams, from native oaks to imported almonds, from traffic to solitude, & all with very little elevation gain.
🥾🏳️🌈🏳️⚧️
tinyurl.com/zwv2rjub
🥾🏳️🌈🏳️⚧️
tinyurl.com/zwv2rjub
November 2, 2025 at 9:30 PM
Join Loma Prieta Pride Sierrans on 11/9 & experience an urban to suburban transition trail, with experiences from childrens' play grounds to beaver dams, from native oaks to imported almonds, from traffic to solitude, & all with very little elevation gain.
🥾🏳️🌈🏳️⚧️
tinyurl.com/zwv2rjub
🥾🏳️🌈🏳️⚧️
tinyurl.com/zwv2rjub
On October 10, 2025, Garnetta Annable was honored as a Guardian of Nature by our Loma Prieta Chapter. For more than three decades, Garnetta Annable has been a driving force behind land conservation and open space protection in Santa Clara County and across the Bay Area.
🏆💖
tinyurl.com/4kku3nhs
🏆💖
tinyurl.com/4kku3nhs
October 31, 2025 at 8:48 PM
On October 10, 2025, Garnetta Annable was honored as a Guardian of Nature by our Loma Prieta Chapter. For more than three decades, Garnetta Annable has been a driving force behind land conservation and open space protection in Santa Clara County and across the Bay Area.
🏆💖
tinyurl.com/4kku3nhs
🏆💖
tinyurl.com/4kku3nhs