Conejo Open Space Foundation

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, 5 days 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 weeks 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, 2 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, 2 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, 2 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, 2 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, 3 months12/29/2025 ago

_Special Announcement Newsletter

2025 Winter COSF Newsletter

The winter edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Plantpalooza summary : “Raptors in Peril” recording ready for viewing : Newest COSCA Ranger Brittany Schiefer : Spotlight on Brian Stark, COSCA Administrator : High school scholarship announcement : Open Space Appreciation Hike schedule Read more

By Steve Clark, 3 months12/28/2025 ago

_Special Announcement Conejo OS Challenge Social Media ONLY

It’s New Map Monday: Oakbrook Vista & Hidden Meadow Trails

Highlights Oakbrook Vista Trail quickly gains elevation to give a good view over Oakbrook Regional Park and Lang Ranch Open Space to the north. You’ll get a great view of Albertson Motorway as it winds it’s way up the hills. Hidden Meadow Trail is really fun on a mountain bike Read more

By Steve Clark, 3 months12/22/2025 ago

_Special Announcement Conejo OS Challenge Social Media ONLY

It’s New Map Monday: Brookview Loop in Los Robles East

Highlights Brookview Trail runs mostly along a ridgeline so you get great views to the south over Lake Sherwood and north over Thousand Oaks. Brookview and White Horse Canyon Trails are quite remote and rugged, so they are great for getting away from the crowds. Brookview Trail is a segment Read more

By Steve Clark, 3 months12/15/2025 ago