Conejo Open Space Foundation

Two students from Westlake High School win COSF 2026 Eco Scholarships

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 Read more

By Anne Russell, 4 days04/23/2026 ago

_Special Announcement Newsletter

2026 Spring COSF Newsletter

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 Read more

By Steve Clark, 2 weeks04/12/2026 ago

_Special Announcement Accomplishments Speaker Series

Irene Rowland explores why immersion in nature is essential to our mental and physical wellbeing—see her recorded presentation.

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 Read more

By Anne Russell, 2 months ago

_Special Announcement Trailwork

The Annual Conejo Spring Trail Work Day will be March 21 on the Whole Access Trail

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 Read more

By Steve Clark, 2 months03/04/2026 ago

a coyote crosses the Rincon Trail in the Conejo Valley, CA

_Special Announcement Photo Contest Current

Winter ‘Four Seasons’ photo contest winner is David Filgas!

For our Spring ‘Four Seasons’ contest the challenge subject is sunlight beaming through Conejo Valley trees. Deadline for entry is May 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 Read more

By Anne Russell, 2 months ago

_Special Announcement Conejo OS Challenge

It’s New Map Monday: Windmill Canyon Trail in North Ranch

Highlights This easy route of only 1.6 miles with about 200′ of climbing is very pretty, meandering through grassy meadows and groves of oak trees. Windmill Canyon Trail is one of the segments of the 2026 Conejo Open Space Challenge (https://cosf.org/challenge) Description This is a really easy and pretty hike, Read more

By Steve Clark, 3 months01/19/2026 ago

_Special Announcement Conejo OS Challenge

It’s New Map Monday: Saddle Pass Trail in North Ranch

Highlights Because of the amount of climbing, this is a more difficult trail, but there will almost always be a great view. There are two side trails along the way to get you to overlooks that have even better views than the main trail./ Saddle Pass Trail is one of Read more

By Steve Clark, 4 months01/12/2026 ago

_Special Announcement Conejo OS Challenge Social Media ONLY

It’s New Map Monday: Hidden Meadow and Little Sandstone Trails in Oakbrook Open Space

Highlights Little Sandstone Trail passes through what could be some of the most beautiful sandstone rock formations in the county The “Mini Tripeaks” on Little Sandstone Trail is a great place to explore the rock formations, and to stop for a snack or lunch Hidden Meadow Trail is really fun Read more

By Steve Clark, 4 months01/05/2026 ago

_Special Announcement Accomplishments Fundraising

Year-end giving deadline near, COSF President Bill Miller notes

The Conejo Open Space Foundation is deeply grateful to the many supporters of our mission to preserve, promote, and protect natural open spaces through community education and involvement. As COSF finishes our 30th anniversary holiday season, we celebrate both what we’ve accomplished together and urge you to consider one final Read more

By Anne Russell, 4 months12/29/2025 ago

_Special Announcement Social Media ONLY

It’s New Map Monday: Lynnmere, the Whole Enchilada, in Wildwood

Highlights This moderately strenuous route covers the entire trail and also Thistle Trail for a shortcut to get back to the beginning. The south leg traverses a ridgeline that is high enough to not only overlook the neighborhoods immediately to the south, but also the farther away neighborhoods of Wildwood. Read more

By Steve Clark, 4 months12/29/2025 ago

_Special Announcement

Are you apprehensive about Climate Change?

If so, join a small group discussion, led by Victoria Clayton of the Climate Psychology Alliance

to be held virtually

Wednesday, May 6 via Zoom

If so, join a small group discussion, led by
Victoria Clayton of the Climate Psychology Alliance