Save Mount Diablo
@savemountdiablo.bsky.social
Preserve, Defend, Restore, Educate, Enjoy.
Since 1971, we and our partners have protected over 120,000 acres on and around Mount Diablo.
savemountdiablo.org
Since 1971, we and our partners have protected over 120,000 acres on and around Mount Diablo.
savemountdiablo.org
Del Puerto Canyon is at risk! Please speak out to oppose the proposed Del Puerto Canyon reservoir at the next California Water Commission meeting, and submit your written comment by Nov. 17.
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
November 14, 2025 at 5:01 PM
Del Puerto Canyon is at risk! Please speak out to oppose the proposed Del Puerto Canyon reservoir at the next California Water Commission meeting, and submit your written comment by Nov. 17.
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
Caught on camera 📸
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
November 12, 2025 at 5:04 PM
Caught on camera 📸
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
This Friday and Saturday, you have the opportunity to spend a day, or two, outside giving back to the mountain we all love.
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
November 11, 2025 at 5:04 PM
This Friday and Saturday, you have the opportunity to spend a day, or two, outside giving back to the mountain we all love.
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
Tomorrow night, we will honor Veterans Day by lighting the Beacon atop Mount Diablo's summit. The Beacon will shine down on the Diablo region until it is rested at sunrise.
savemountdiablo.org/experience/e...
📸: Stephen Joseph
savemountdiablo.org/experience/e...
📸: Stephen Joseph
November 10, 2025 at 5:05 PM
Tomorrow night, we will honor Veterans Day by lighting the Beacon atop Mount Diablo's summit. The Beacon will shine down on the Diablo region until it is rested at sunrise.
savemountdiablo.org/experience/e...
📸: Stephen Joseph
savemountdiablo.org/experience/e...
📸: Stephen Joseph
With steep ridges and a vast network of trails, Las Trampas Regional Wilderness Preserve offers visitors a true sense of wilderness despite its proximity to the bustling Highway 680 corridor.
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
November 7, 2025 at 5:05 PM
With steep ridges and a vast network of trails, Las Trampas Regional Wilderness Preserve offers visitors a true sense of wilderness despite its proximity to the bustling Highway 680 corridor.
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
Meet the lesser goldfinch (Spinus psaltria)!
This yellow-bellied songbird can be found in a variety of habitats including open brushy country, open woods, streamside areas, and gardens.
Its habitat stretches from Washington State all the way to the Peruvian Andes.
📸: Laura Kindsvater
This yellow-bellied songbird can be found in a variety of habitats including open brushy country, open woods, streamside areas, and gardens.
Its habitat stretches from Washington State all the way to the Peruvian Andes.
📸: Laura Kindsvater
November 5, 2025 at 5:03 PM
Meet the lesser goldfinch (Spinus psaltria)!
This yellow-bellied songbird can be found in a variety of habitats including open brushy country, open woods, streamside areas, and gardens.
Its habitat stretches from Washington State all the way to the Peruvian Andes.
📸: Laura Kindsvater
This yellow-bellied songbird can be found in a variety of habitats including open brushy country, open woods, streamside areas, and gardens.
Its habitat stretches from Washington State all the way to the Peruvian Andes.
📸: Laura Kindsvater
Join us on the mountain for our annual Pine Canyon Cleanup!
📆: November 14-15
We'll be hosting volunteer events in collaboration with Mount Diablo State Park and the East Bay Regional Park District.
savemountdiablo.volunteerhub.com/vv2/lp/smddi...
📆: November 14-15
We'll be hosting volunteer events in collaboration with Mount Diablo State Park and the East Bay Regional Park District.
savemountdiablo.volunteerhub.com/vv2/lp/smddi...
November 4, 2025 at 5:05 PM
Join us on the mountain for our annual Pine Canyon Cleanup!
📆: November 14-15
We'll be hosting volunteer events in collaboration with Mount Diablo State Park and the East Bay Regional Park District.
savemountdiablo.volunteerhub.com/vv2/lp/smddi...
📆: November 14-15
We'll be hosting volunteer events in collaboration with Mount Diablo State Park and the East Bay Regional Park District.
savemountdiablo.volunteerhub.com/vv2/lp/smddi...
When we acquire land, it is often far from untouched. In recent years, we’ve carted away tens of thousands of pounds of material, such as scrap metal and tires, clearing obstructions that have, in some cases, impacted Mount Diablo’s wildlife for decades.
savemountdiablo.org/blog/restori...
savemountdiablo.org/blog/restori...
October 31, 2025 at 4:07 PM
When we acquire land, it is often far from untouched. In recent years, we’ve carted away tens of thousands of pounds of material, such as scrap metal and tires, clearing obstructions that have, in some cases, impacted Mount Diablo’s wildlife for decades.
savemountdiablo.org/blog/restori...
savemountdiablo.org/blog/restori...
Vámanos en una caminata fácil para buscar aves en la Bay Point Regional Shoreline. Juan Pablo Galván, observador de aves y naturalista, liderará junto con Roxana Lucero, naturalista y residente de Bay Point, tanto en inglés como en español.
www.eventbrite.com/e/las-aves-d...
📸: Laura Kindsvater
www.eventbrite.com/e/las-aves-d...
📸: Laura Kindsvater
October 27, 2025 at 4:05 PM
Vámanos en una caminata fácil para buscar aves en la Bay Point Regional Shoreline. Juan Pablo Galván, observador de aves y naturalista, liderará junto con Roxana Lucero, naturalista y residente de Bay Point, tanto en inglés como en español.
www.eventbrite.com/e/las-aves-d...
📸: Laura Kindsvater
www.eventbrite.com/e/las-aves-d...
📸: Laura Kindsvater
Today is the #InternationalDayofClimateAction! Here are six things that Save Mount Diablo is doing RIGHT NOW to take action on climate.
Want to know how you can help? We'll post some links in the thread. 👇
Want to know how you can help? We'll post some links in the thread. 👇
October 24, 2025 at 4:50 PM
Today is the #InternationalDayofClimateAction! Here are six things that Save Mount Diablo is doing RIGHT NOW to take action on climate.
Want to know how you can help? We'll post some links in the thread. 👇
Want to know how you can help? We'll post some links in the thread. 👇
This Saturday, October 25th, at 9 AM, tune into the Ventana Wildlife Society live stream to watch seven condors get released into the wild!
www.eleoonline.net/Pages/WebFor...
www.ventanaws.org/condor_cam.html
📸: California condor at Pinnacles National Park | @heinphoto.bsky.social
www.eleoonline.net/Pages/WebFor...
www.ventanaws.org/condor_cam.html
📸: California condor at Pinnacles National Park | @heinphoto.bsky.social
October 22, 2025 at 4:05 PM
This Saturday, October 25th, at 9 AM, tune into the Ventana Wildlife Society live stream to watch seven condors get released into the wild!
www.eleoonline.net/Pages/WebFor...
www.ventanaws.org/condor_cam.html
📸: California condor at Pinnacles National Park | @heinphoto.bsky.social
www.eleoonline.net/Pages/WebFor...
www.ventanaws.org/condor_cam.html
📸: California condor at Pinnacles National Park | @heinphoto.bsky.social
Thank you Assemblymember Nick Schultz for authoring AB 1319, and thank you @gavinnewsom.bsky.social for signing it into law!
Now, our state's most at-risk species have a chance even if Trump weakens endangered species protections!
📸: Chris Lyall
Now, our state's most at-risk species have a chance even if Trump weakens endangered species protections!
📸: Chris Lyall
October 21, 2025 at 4:03 PM
Thank you Assemblymember Nick Schultz for authoring AB 1319, and thank you @gavinnewsom.bsky.social for signing it into law!
Now, our state's most at-risk species have a chance even if Trump weakens endangered species protections!
📸: Chris Lyall
Now, our state's most at-risk species have a chance even if Trump weakens endangered species protections!
📸: Chris Lyall
Pollinators are in danger—but the California sunflower is stepping up as a superhero.
It supports 60 native bee species and attracts birds. Small plant, big impact.
#Pollinators #NativePlants
It supports 60 native bee species and attracts birds. Small plant, big impact.
#Pollinators #NativePlants
October 17, 2025 at 4:06 PM
Pollinators are in danger—but the California sunflower is stepping up as a superhero.
It supports 60 native bee species and attracts birds. Small plant, big impact.
#Pollinators #NativePlants
It supports 60 native bee species and attracts birds. Small plant, big impact.
#Pollinators #NativePlants
Our Marsh Creek 7 property has been becoming a haven for pollinators and other wildlife over the past three years! This summer and fall, our team is actively watering more than 700 plants on our Marsh Creek 7 property.
savemountdiablo.org/blog/restori...
📸: Haley Sutton and Mary Nagle
savemountdiablo.org/blog/restori...
📸: Haley Sutton and Mary Nagle
October 16, 2025 at 4:06 PM
Our Marsh Creek 7 property has been becoming a haven for pollinators and other wildlife over the past three years! This summer and fall, our team is actively watering more than 700 plants on our Marsh Creek 7 property.
savemountdiablo.org/blog/restori...
📸: Haley Sutton and Mary Nagle
savemountdiablo.org/blog/restori...
📸: Haley Sutton and Mary Nagle
Good news: Several California wildlife crossings are already a success! Wildlife crossings are being built all over the world. The largest one on the planet, the Wallis Annenberg wildlife crossing, will be finished in the fall of 2026 near LA.
#wildlifecrossings save lives. We need more of them!
#wildlifecrossings save lives. We need more of them!
October 15, 2025 at 4:09 PM
Good news: Several California wildlife crossings are already a success! Wildlife crossings are being built all over the world. The largest one on the planet, the Wallis Annenberg wildlife crossing, will be finished in the fall of 2026 near LA.
#wildlifecrossings save lives. We need more of them!
#wildlifecrossings save lives. We need more of them!
Thank you to the wonderful group who joined us for our fall Discover Diablo #hike at Borges Ranch! Together, we explored the wonders of Walnut Creek's open space on this three-mile hike.
Sign up for our upcoming #DiscoverDiablo hikes: savemountdiablo.org/discoverdiablo
📸: Karen Bakar
Sign up for our upcoming #DiscoverDiablo hikes: savemountdiablo.org/discoverdiablo
📸: Karen Bakar
October 10, 2025 at 4:04 PM
Thank you to the wonderful group who joined us for our fall Discover Diablo #hike at Borges Ranch! Together, we explored the wonders of Walnut Creek's open space on this three-mile hike.
Sign up for our upcoming #DiscoverDiablo hikes: savemountdiablo.org/discoverdiablo
📸: Karen Bakar
Sign up for our upcoming #DiscoverDiablo hikes: savemountdiablo.org/discoverdiablo
📸: Karen Bakar
Our latest group of Young Diablo Explorers enjoying the autumn leaves at Mangini Ranch Educational Preserve as they learn about Mount Diablo's plants and animals.
The curricula we developed for this program is available on our website.
bit.ly/3to5explorers
📸: Emily Sherwood
The curricula we developed for this program is available on our website.
bit.ly/3to5explorers
📸: Emily Sherwood
October 9, 2025 at 4:04 PM
Our latest group of Young Diablo Explorers enjoying the autumn leaves at Mangini Ranch Educational Preserve as they learn about Mount Diablo's plants and animals.
The curricula we developed for this program is available on our website.
bit.ly/3to5explorers
📸: Emily Sherwood
The curricula we developed for this program is available on our website.
bit.ly/3to5explorers
📸: Emily Sherwood
What's this yellow flower popping up on #MountDiablo and its foothills in late summer and in fall?
It's gum plant! This plant is fantastic for Mount Diablo's #pollinators, and a lovely bloom to enjoy during this time of year.
📸: Laura Kindsvater
It's gum plant! This plant is fantastic for Mount Diablo's #pollinators, and a lovely bloom to enjoy during this time of year.
📸: Laura Kindsvater
October 8, 2025 at 4:04 PM
What's this yellow flower popping up on #MountDiablo and its foothills in late summer and in fall?
It's gum plant! This plant is fantastic for Mount Diablo's #pollinators, and a lovely bloom to enjoy during this time of year.
📸: Laura Kindsvater
It's gum plant! This plant is fantastic for Mount Diablo's #pollinators, and a lovely bloom to enjoy during this time of year.
📸: Laura Kindsvater
Doolan Canyon. Photo by Scott Hein, Map Courtesy Save Mount Diablo.
October 7, 2025 at 11:31 PM
Doolan Canyon. Photo by Scott Hein, Map Courtesy Save Mount Diablo.
Watch our new land use advocate, Steven DePaschallis, speak about our conservation vision for Mount Diablo and the Diablo Range at our Moonlight on the Mountain gala, as well as what inspires him to protect our open spaces.
Thank you to everyone who attended Moonlight on the Mountain!!
Thank you to everyone who attended Moonlight on the Mountain!!
October 3, 2025 at 4:08 PM
Watch our new land use advocate, Steven DePaschallis, speak about our conservation vision for Mount Diablo and the Diablo Range at our Moonlight on the Mountain gala, as well as what inspires him to protect our open spaces.
Thank you to everyone who attended Moonlight on the Mountain!!
Thank you to everyone who attended Moonlight on the Mountain!!
Save Mount Diablo and Branching Out Adventures are partnering up to invite all members of the LGBTQIA+ community on a queer-themed hike in Mitchell Canyon!
📆: October 18
🕓: 9 AM to 12 PM
bit.ly/DDiablo
📸: Scott Hein
📆: October 18
🕓: 9 AM to 12 PM
bit.ly/DDiablo
📸: Scott Hein
October 1, 2025 at 4:08 PM
Save Mount Diablo and Branching Out Adventures are partnering up to invite all members of the LGBTQIA+ community on a queer-themed hike in Mitchell Canyon!
📆: October 18
🕓: 9 AM to 12 PM
bit.ly/DDiablo
📸: Scott Hein
📆: October 18
🕓: 9 AM to 12 PM
bit.ly/DDiablo
📸: Scott Hein
Contra Loma Regional Park is a fantastic place for a #hike—a place of peace, beauty, and discovery.
Find out more about #ContraLoma and other awesome places to hike up and down the #DiabloRange on our website.
savemountdiablo.org/experience/f...
📸 : Laura Kindsvater
Find out more about #ContraLoma and other awesome places to hike up and down the #DiabloRange on our website.
savemountdiablo.org/experience/f...
📸 : Laura Kindsvater
September 29, 2025 at 5:39 PM
Contra Loma Regional Park is a fantastic place for a #hike—a place of peace, beauty, and discovery.
Find out more about #ContraLoma and other awesome places to hike up and down the #DiabloRange on our website.
savemountdiablo.org/experience/f...
📸 : Laura Kindsvater
Find out more about #ContraLoma and other awesome places to hike up and down the #DiabloRange on our website.
savemountdiablo.org/experience/f...
📸 : Laura Kindsvater
This month, hundreds of people gathered on #MountDiablo to support and celebrate our work at our Moonlight on the Mountain gala.
We are so grateful to our #conservation communities who support us and make our wins up and down the #DiabloRange possible. Thank you!!
📸: Emily Sherwood and Mary Nagle
We are so grateful to our #conservation communities who support us and make our wins up and down the #DiabloRange possible. Thank you!!
📸: Emily Sherwood and Mary Nagle
September 23, 2025 at 4:07 PM
This month, hundreds of people gathered on #MountDiablo to support and celebrate our work at our Moonlight on the Mountain gala.
We are so grateful to our #conservation communities who support us and make our wins up and down the #DiabloRange possible. Thank you!!
📸: Emily Sherwood and Mary Nagle
We are so grateful to our #conservation communities who support us and make our wins up and down the #DiabloRange possible. Thank you!!
📸: Emily Sherwood and Mary Nagle
#PinnaclesNationalPark is a spectacular place to travel and experience the wonders of the #DiabloRange. In 2013, Pinnacles officially became a national park, having been a national monument for over a century.
📸: Emily Sherwood and Tom Hilton: www.flickr.com/.../tomh.../...
📸: Emily Sherwood and Tom Hilton: www.flickr.com/.../tomh.../...
September 15, 2025 at 4:09 PM
#PinnaclesNationalPark is a spectacular place to travel and experience the wonders of the #DiabloRange. In 2013, Pinnacles officially became a national park, having been a national monument for over a century.
📸: Emily Sherwood and Tom Hilton: www.flickr.com/.../tomh.../...
📸: Emily Sherwood and Tom Hilton: www.flickr.com/.../tomh.../...
Plein air painting is a fantastic way to get outside and practice your creativity while enjoying Mount Diablo's landscapes.
Thank you to everyone who joined us at our #DiscoverDiablo: Plein Air Painting outing at Curry Canyon Ranch, led by Arsenio Baca!
#art #nature #mtdiablo
📸: Emily Sherwood
Thank you to everyone who joined us at our #DiscoverDiablo: Plein Air Painting outing at Curry Canyon Ranch, led by Arsenio Baca!
#art #nature #mtdiablo
📸: Emily Sherwood
September 8, 2025 at 4:04 PM
Plein air painting is a fantastic way to get outside and practice your creativity while enjoying Mount Diablo's landscapes.
Thank you to everyone who joined us at our #DiscoverDiablo: Plein Air Painting outing at Curry Canyon Ranch, led by Arsenio Baca!
#art #nature #mtdiablo
📸: Emily Sherwood
Thank you to everyone who joined us at our #DiscoverDiablo: Plein Air Painting outing at Curry Canyon Ranch, led by Arsenio Baca!
#art #nature #mtdiablo
📸: Emily Sherwood