The subject of the Spring Four Seasons contest is wildflowers. This contest runs until May 31. To enter the contest 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 long as the object is Read more
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
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
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
Highlights This is a moderate-easy hike of 4.0 miles with 800′ of climbing. It goes through some of the most beautiful sections of the park. The Eagle Point Trail is a remote trail that gets few visitors despite the beautiful surroundings. Most of the route is along less frequently used Read more
Here’s your chance to explore some of the best trails in the Conejo Open Space that many people are not familiar with! From March 1st through May 31st the Conejo Open Space Conservation Agency (COSCA) is challenging mountain bikers, hikers, trail runners and equestrians of all ages to try out Read more
Highlights Hike of 6.6 Miles, extendable to 8 miles Hillcrest Ridge Trail is a ridgeline trail and is very steep in sections – you’ll get a great workout! You can get great views of the neighborhoods and distant mountains in all directions from Hillcrest Ridge. The White Sage Trail is Read more
Highlights Moderate hike of 4.4 miles Good for conditioning because the Autumn Ridge and Meadow Vista Trails are quite steep in places Good views of Simi Valley and Lang Ranch Open Space Includes two of the segments of the 2025 Conejo Open Space Challenge Description This is not a very Read more
The Conejo Open Space Conservation Agency (COSCA), with support from COSF, held its final monthly trail work day of 2024 on Saturday, December 14. Even though it was the busy holiday season, 15 volunteers showed up at Wildwood Regional Park to clear the overgrown Eagle Point Trail. COSCA Rangers Joe, Nick Read more
The winter edition of the Conejo Open Space Foundation newsletter as been posted. In this edition… 2025 Scholarships for Environmental Studies Students : Arroyo Canyon Creek Cleanup : Wildwood Washout Repair : Invasive Plant Management : 3rd Annual Plantpalooza : Spotlight on Molly McNulty, winner of the Environmental Studies Scholarship Read more