Conejo Open Space Foundation
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Steve Clark

_Upcoming Events Conejo OS Challenge

The 2025 Conejo Open Space Challenge ends on May 31!

There are only a few days left until The Challenge ends this Saturday! That means there’s still time to check out two or three trails if you’re almost finished, or to cram in all ten if you haven’t started. Here are some more great photos submitted by the participants. Over Read more…

By Steve Clark, 2 weeks ago
_Special Announcement Conejo OS Challenge

You have just 3 weeks to complete the Conejo Open Space Challenge for 2025!

The COS Challenge ends on May 31, a date that is rapidly approaching! Already several dozen people have completed all ten trails. If you would like to qualify for some of the fabulous prizes supplied by the Conejo Open Space Foundation, and Giant Bikes, at the final celebration on June Read more…

By Steve Clark, 1 month05/09/2025 ago
_Special Announcement Newsletter

2025 Spring COSF Newsletter

The spring edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Environmental Studies Scholarship Winners : New Threat to Conejo Oaks : Neighborhood Coyotes : CRPD  Superintendent Matt Kouba Retires (photo at right) : Winter Photo Contest Winner : And More! View our Spring Conejo Read more…

By Steve Clark, 1 month04/27/2025 ago
_Special Announcement Conejo OS Challenge

Third photo gallery from the 2025 Conejo Open Space Challenge

There are 5 weeks left in the 2025 Conejo Open Space Challenge. That’s plenty of time to get out and explore the 10 Challenge trails, even if you haven’t started yet. The great photos are continuing to roll in! Here are some more of them. If you would like to Read more…

By Steve Clark, 2 months04/23/2025 ago
_Special Announcement Conejo OS Challenge

Another photo gallery from the 2025 Conejo Open Space Challenge

We’re now exactly half way through the 2025 Challenge! Here are some more great photos submitted by the enthusiastic participants. If you would like to join the fun, check out the details on our Conejo Open Space Challenge page!

By Steve Clark, 2 months ago
_Special Announcement Photo Contest Past Plants Native

Winter photo contest winner is Summer Noble

Congratulation to Summer who submitted this photo of acorns that she took on the Spring Canyon Trail. If you would like to enter future contests, here are the rules: Every season, we’ll identify a specific item (e.g., “an oak tree”) for you to find within the Conejo Open Space. As Read more…

By Steve Clark, 3 months03/24/2025 ago
_Special Announcement Conejo OS Challenge

First photo gallery from the 2025 Conejo Open Space Challenge

We’re only two weeks into the 2025 Challenge and participants have already submitted dozens of great photos! Here are some of them. If you would like to join the fun, check out the details on our Conejo Open Space Challenge page!

By Steve Clark, 3 months03/15/2025 ago
_Special Announcement Trailwork

POSTPONED: Conejo Spring Trail Work Day

Unhappily, COSCA is postponing the Annual Conejo Spring Trail Work Day because of the rain that is forecast for this week. The trail in not expected to dry out enough for travel by Saturday. The work day will be rescheduled, and we’ll let you know when the details are available. Read more…

By Steve Clark, 3 months03/04/2025 ago
_Special Announcement Conejo OS Challenge Social Media ONLY

It’s New Map Monday: El Cerro Loops in Dos Vientos

Highlights Two routes are described here, an easy one of 2.3 miles with roughly 300′ of climbing, and a longer one of 4.1 miles with roughly 700′ of climbing For Dos Vientos residents, there are several nearby trailheads for easy access The trails climb up above the neighborhoods so you Read more…

By Steve Clark, 3 months ago
_Special Announcement Conejo OS Challenge

It’s New Map Monday: Hill Canyon, Peninsula, Plateau Rim Trails Loop in Conejo Canyons

Highlights This is a moderate hike of 5.8 miles with 700′ of climbing. You will see all the geographic areas of the region – the grasslands of the Western Plateau, verdant Hawk Canyon and more distant volcanic cliffs and mountains. It’s lots of fun on a mountain bike. The Hill Read more…

By Steve Clark, 3 months02/24/2025 ago

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