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 🌎
Join our San Mateo hiking section on the 19th for this eight mile hike.
🥾🌱
Learn more at tinyurl.com/yesz4ex8
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #purisimaopenspacepreserve
🥾🌱
Learn more at tinyurl.com/yesz4ex8
.
.
.
#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
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #purisimaopenspacepreserve
🥾🌱
Learn more at tinyurl.com/yesz4ex8
.
.
.
#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
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #stevenscreekcountypark #fremontolderopenspacepreserve
🥾 🌱
Learn more at tinyurl.com/4pd25nrf
.
.
.
#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
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #stevenscreekcountypark #fremontolderopenspacepreserve
🥾 🌱
Learn more at tinyurl.com/4pd25nrf
.
.
.
#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
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
✨ 🙌
Learn more at tinyurl.com/mtndpeza
.
.
.
#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
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietaplasticpollutionprevention
✨ 🙌
Learn more at tinyurl.com/mtndpeza
.
.
.
#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
The Mediterranean Oak Borer, poses a substantial risk to the oak ecosystems of our Chapter, & local foresters, ecologists, & governments are raising the alarm about it.
🌳
It primarily attacks trees stressed by heat, drought, age, or other environmental pressures.
🪳
🌳
It primarily attacks trees stressed by heat, drought, age, or other environmental pressures.
🪳
The Mediterranean Oak Borer: A Growing Threat to California’s Oak Trees and What You Can Do
Although Sudden Oak Death from Phytophthora ramorum infection is currently more prevalent in Northern California, its iconic oak woodlands are facing yet another serious threat: Xyleborus mediterraneus, also known as the Mediterranean Oak Borer (MOB).
tinyurl.com
November 1, 2025 at 8:00 PM
The Mediterranean Oak Borer, poses a substantial risk to the oak ecosystems of our Chapter, & local foresters, ecologists, & governments are raising the alarm about it.
🌳
It primarily attacks trees stressed by heat, drought, age, or other environmental pressures.
🪳
🌳
It primarily attacks trees stressed by heat, drought, age, or other environmental pressures.
🪳
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
Join our Water Committee Meeting on November 6th!
Learn more at tinyurl.com/482esk6v
🌊 💖 💦 👍
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
Learn more at tinyurl.com/482esk6v
🌊 💖 💦 👍
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
October 30, 2025 at 9:36 PM
Join our Water Committee Meeting on November 6th!
Learn more at tinyurl.com/482esk6v
🌊 💖 💦 👍
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
Learn more at tinyurl.com/482esk6v
🌊 💖 💦 👍
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietawatercommittee
COMMENT LETTER: City of Mountain View Biodiversity and Urban Forest Plan
📣
tinyurl.com/44kp6yrb
📑
"The Plan’s strong scientific foundation offers a meaningful roadmap that, when implemented, will strengthen the interconnected health of people, nature, and the broader environment."
📣
tinyurl.com/44kp6yrb
📑
"The Plan’s strong scientific foundation offers a meaningful roadmap that, when implemented, will strengthen the interconnected health of people, nature, and the broader environment."
October 29, 2025 at 10:48 PM
COMMENT LETTER: City of Mountain View Biodiversity and Urban Forest Plan
📣
tinyurl.com/44kp6yrb
📑
"The Plan’s strong scientific foundation offers a meaningful roadmap that, when implemented, will strengthen the interconnected health of people, nature, and the broader environment."
📣
tinyurl.com/44kp6yrb
📑
"The Plan’s strong scientific foundation offers a meaningful roadmap that, when implemented, will strengthen the interconnected health of people, nature, and the broader environment."
Join our San Mateo hiking section on November 6th for this 4.5 mile hike, with 900' elevation change.
🥾 🌊
Learn more at bit.ly/4oidqq6
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #quarryparkhalfmoonbay
🥾 🌊
Learn more at bit.ly/4oidqq6
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #quarryparkhalfmoonbay
October 29, 2025 at 7:55 PM
Join our San Mateo hiking section on November 6th for this 4.5 mile hike, with 900' elevation change.
🥾 🌊
Learn more at bit.ly/4oidqq6
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #quarryparkhalfmoonbay
🥾 🌊
Learn more at bit.ly/4oidqq6
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #quarryparkhalfmoonbay
Join us on the 31st to hike Butano State Park and visit Harley Farms Goat Dairy .
🥾 👍
Learn more and register for this 9.5 mile hike at tinyurl.com/bdxwchru
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #butanostatepark #harleygoatfarms
🥾 👍
Learn more and register for this 9.5 mile hike at tinyurl.com/bdxwchru
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #butanostatepark #harleygoatfarms
October 29, 2025 at 3:35 PM
Join us on the 31st to hike Butano State Park and visit Harley Farms Goat Dairy .
🥾 👍
Learn more and register for this 9.5 mile hike at tinyurl.com/bdxwchru
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #butanostatepark #harleygoatfarms
🥾 👍
Learn more and register for this 9.5 mile hike at tinyurl.com/bdxwchru
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #butanostatepark #harleygoatfarms
Join our San Mateo hiking section on November 5th for this 7.5 mile hike.
🥾 🌱
Learn more at tinyurl.com/mpp6jpt3
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #montebelloopenspacepreserve
🥾 🌱
Learn more at tinyurl.com/mpp6jpt3
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #montebelloopenspacepreserve
October 28, 2025 at 6:18 PM
Join our San Mateo hiking section on November 5th for this 7.5 mile hike.
🥾 🌱
Learn more at tinyurl.com/mpp6jpt3
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #montebelloopenspacepreserve
🥾 🌱
Learn more at tinyurl.com/mpp6jpt3
.
.
.
#sierraclub #sierraclublomaprieta #lomaprietachapter #lomaprietasanmateohiking #montebelloopenspacepreserve
Earlier this month, our inspection team inspected the Permanente Creek Restoration Project Year One work completed. 🙌 Our inspections will continue over the next 3 years. These inspections validate Lehigh's full response to our lawsuit & settlement agreement that required this restoration project.
October 27, 2025 at 3:36 PM
Earlier this month, our inspection team inspected the Permanente Creek Restoration Project Year One work completed. 🙌 Our inspections will continue over the next 3 years. These inspections validate Lehigh's full response to our lawsuit & settlement agreement that required this restoration project.
Day on the Bay brought together a wonderful mix of people visiting our table to learn about sea level rise.
🌊
At our 2025 Guardians of Nature Benefit, we offered Q&A about a healthy Bay.
📣
At Martial Cottle Sustainable Garden people filled over 2 pages of sign up sheets!
🙌
🌊
At our 2025 Guardians of Nature Benefit, we offered Q&A about a healthy Bay.
📣
At Martial Cottle Sustainable Garden people filled over 2 pages of sign up sheets!
🙌
Bay Alive Messages are Going Out to a Wide Range of People
By Julie Groves
tinyurl.com
October 26, 2025 at 10:00 PM
Day on the Bay brought together a wonderful mix of people visiting our table to learn about sea level rise.
🌊
At our 2025 Guardians of Nature Benefit, we offered Q&A about a healthy Bay.
📣
At Martial Cottle Sustainable Garden people filled over 2 pages of sign up sheets!
🙌
🌊
At our 2025 Guardians of Nature Benefit, we offered Q&A about a healthy Bay.
📣
At Martial Cottle Sustainable Garden people filled over 2 pages of sign up sheets!
🙌
With the return of in-person sessions, the Environmental Stewardship Program kicked off with great energy and enthusiasm! Thirty-five new participants signed up to join the growing community of graduates from this flagship chapter program.
🎉 🙌
🎉 🙌
Environmental Stewardship Program 2025 - 2026 Launches
By Gita Dev
tinyurl.com
October 25, 2025 at 10:00 PM
With the return of in-person sessions, the Environmental Stewardship Program kicked off with great energy and enthusiasm! Thirty-five new participants signed up to join the growing community of graduates from this flagship chapter program.
🎉 🙌
🎉 🙌
Bay Alive Campaign is thrilled to honor Jeremy Lowe with its first ever award for outstanding contribution to Bay resilience. When Jeremy is a contributor on a project in the Bay, our Bay Alive team breathes a sigh of relief.
🎉
tinyurl.com/4uxu66uz
🎉
tinyurl.com/4uxu66uz
October 24, 2025 at 9:16 PM
Bay Alive Campaign is thrilled to honor Jeremy Lowe with its first ever award for outstanding contribution to Bay resilience. When Jeremy is a contributor on a project in the Bay, our Bay Alive team breathes a sigh of relief.
🎉
tinyurl.com/4uxu66uz
🎉
tinyurl.com/4uxu66uz