Conejo Open Space Foundation
The Conejo Open Space Foundation is dedicated to helping preserve, promote and protect natural open space through community education and involvement. We support these efforts by fundraising and volunteer engagement.
Connecting community and nature for more than 30 years!
Upcoming Events
News from COSF (View all the updates.)
2026 Summer COSF Newsletter (6/24/2026) - The summer edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Participants of the Conejo Open Space Challenge : The 5th Annual Native Plantpalooza & Eco Fest is returning October 10 : Rattlesnake Safety speaker event summary : COSCA restoring native habitat : Spotlight on Steve Bacharach, COSTAC Chair and Conejo Open Space Challenge coordinator… (read more...)
Faces of the Conejo Open Space Challenge (landscape edition) (6/23/2026) - Photos submitted by participants of the 2026 Conejo OS Challenge will be arranged differently than in the past. Because we weren't able to post photos as they were submitted, we have grouped them by subject matter. This first group is of selfies, and selfie-like images. Because there are so many, they are split by orientation, landscape and portrait. I hope… (read more...)
Spring ‘Four Seasons’ photo contest winner is Marilyn Wells! (6/5/2026) - For our Summer 'Four Seasons' contest the challenge subject is animal tracks in the Conejo open space. Deadline for entry is August 31, 2026. If you would like to enter future contests, here are the rules: Every season, we’ll identify a specific phenomenon or item (e.g., “an oak tree”) for you to find within the Conejo Open Space. As long as… (read more...)
COSCA May Trail Work Day will be May 16 in Wildwood! (5/13/2026) - The Conejo Open Space Conservation Agency (COSCA) May trail work day, with support from COSF, will take place in Wildwood Park on the Eagle Point Trail on Saturday, May 16. According to Ranger Joe, it's really overgrown and will take a lot of work to fix it up. The improvement will be really satisfying to all the volunteers who help out!… (read more...)
Two students from Westlake High School win COSF 2026 Eco Scholarships (4/23/2026) - Two local seniors, Anna Bronk and Tyler Limcaco, both from Westlake High School, are the recipients of the sixth annual Conejo Open Space Foundation scholarships. The $1,500 scholarships support students pursuing environmental-studies-related majors at two- or four-year colleges or universities. The scholarships, which provide up to $6,000 per student in total, are determined by a six-person panel. Anna Bronk, who is headed… (read more...)
2026 Spring COSF Newsletter (4/12/2026) - The spring edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Annual Trails Education Days for 4th graders : "Forest Bathing and Healing" speaker event recording available : Bees of the Conejo Valley census : Spotlight on Dorothy Sullivan, COSCA Board Member and open space volunteer : Climate Crisis speaker event : Open Space Appreciation… (read more...)
Irene Rowland explores why immersion in nature is essential to our mental and physical wellbeing—see her recorded presentation. (3/9/2026) - Irene Rowland, certified forest therapy guide and founder of Forest Needle Wellness, advised attendees to literally hug a tree during her March 4 presentation “Forest Bathing and Healing Landscapes: A Guide to Mindful Nature Connection.” Scroll to the bottom of this page to view the recording of her presentation. An expert in the Japanese practice of shinrin-yoku—"forest bathing”—Rowland explains that the… (read more...)
The Annual Conejo Spring Trail Work Day will be March 21 on the Whole Access Trail (3/4/2026) - Come out to help fix up our amazing trails on Saturday, March 21, when the Conejo Open Space Conservation Agency rangers will host the Annual Spring Trail Work Day! The work will be on the Whole Access and Los Robles Trails. The thank-you lunch and gift give-away for volunteers at noon are courtesy of COSF. Please register online so we… (read more...)
News from COSF (View all the updates.)
2026 Summer COSF Newsletter (6/24/2026) - The summer edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Participants of the Conejo Open Space Challenge : The 5th Annual Native Plantpalooza & Eco Fest is returning October 10 : Rattlesnake Safety speaker event summary : COSCA restoring native habitat : Spotlight on Steve Bacharach, COSTAC Chair and Conejo Open Space Challenge coordinator… (read more...) Faces of the Conejo Open Space Challenge (landscape edition) (6/23/2026) - Photos submitted by participants of the 2026 Conejo OS Challenge will be arranged differently than in the past. Because we weren't able to post photos as they were submitted, we have grouped them by subject matter. This first group is of selfies, and selfie-like images. Because there are so many, they are split by orientation, landscape and portrait. I hope… (read more...) Spring ‘Four Seasons’ photo contest winner is Marilyn Wells! (6/5/2026) - For our Summer 'Four Seasons' contest the challenge subject is animal tracks in the Conejo open space. Deadline for entry is August 31, 2026. If you would like to enter future contests, here are the rules: Every season, we’ll identify a specific phenomenon or item (e.g., “an oak tree”) for you to find within the Conejo Open Space. As long as… (read more...) COSCA May Trail Work Day will be May 16 in Wildwood! (5/13/2026) - The Conejo Open Space Conservation Agency (COSCA) May trail work day, with support from COSF, will take place in Wildwood Park on the Eagle Point Trail on Saturday, May 16. According to Ranger Joe, it's really overgrown and will take a lot of work to fix it up. The improvement will be really satisfying to all the volunteers who help out!… (read more...) Two students from Westlake High School win COSF 2026 Eco Scholarships (4/23/2026) - Two local seniors, Anna Bronk and Tyler Limcaco, both from Westlake High School, are the recipients of the sixth annual Conejo Open Space Foundation scholarships. The $1,500 scholarships support students pursuing environmental-studies-related majors at two- or four-year colleges or universities. The scholarships, which provide up to $6,000 per student in total, are determined by a six-person panel. Anna Bronk, who is headed… (read more...) 2026 Spring COSF Newsletter (4/12/2026) - The spring edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Annual Trails Education Days for 4th graders : "Forest Bathing and Healing" speaker event recording available : Bees of the Conejo Valley census : Spotlight on Dorothy Sullivan, COSCA Board Member and open space volunteer : Climate Crisis speaker event : Open Space Appreciation… (read more...) Irene Rowland explores why immersion in nature is essential to our mental and physical wellbeing—see her recorded presentation. (3/9/2026) - Irene Rowland, certified forest therapy guide and founder of Forest Needle Wellness, advised attendees to literally hug a tree during her March 4 presentation “Forest Bathing and Healing Landscapes: A Guide to Mindful Nature Connection.” Scroll to the bottom of this page to view the recording of her presentation. An expert in the Japanese practice of shinrin-yoku—"forest bathing”—Rowland explains that the… (read more...) The Annual Conejo Spring Trail Work Day will be March 21 on the Whole Access Trail (3/4/2026) - Come out to help fix up our amazing trails on Saturday, March 21, when the Conejo Open Space Conservation Agency rangers will host the Annual Spring Trail Work Day! The work will be on the Whole Access and Los Robles Trails. The thank-you lunch and gift give-away for volunteers at noon are courtesy of COSF. Please register online so we… (read more...)Follow us on social media
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