For National Public Lands Day on Sept. 23, about 40 people turned out to help clear weeds and invasive plants from the amphitheater and picnic area. This is where the old Olympia Farms was situated before COSCA created the Ranch Potrero Open Space Area. Some volunteers removed weeds from the Read more…
The second monthly Conejo Open Space trail work day is being held on the morning of Saturday September 23, in honor of National Public Lands Day. The work will be on the trails of Rancho Potrero, clearing weeds that choke the trails and fixing ruts. The monthly work days are Read more…
Please register in advance so we know how many people to prepare for!
The Conejo Open Space Conservation Agency (COSCA) is expanding its community volunteer opportunities to include monthly events. The plan is to take on smaller projects with crews of 20 or so volunteers focused on trail building and maintenance. The expanded commitment to volunteer programs is made possible by the addition Read more…
Due to the amount of rain we’re having this week, and more rain possible for next week, the work day scheduled for this Saturday, March 18, is cancelled. No alternative date is scheduled at this time. COSCA plans to review the situation once the rainy season is over. We would Read more…
After all the rain we’ve had since January, our Conejo Valley trails are in dire need! You can help restore them by volunteering for the Conejo Spring Trail Work Day to be held in Wildwood Park on Saturday March 18. Please pre-register online to help us plan for the event, Read more…
Nine volunteers from Sage Publishing joined COSF board members Anne and Tania and COSCA rangers Joe and Ryan to clean up the Conejo Canyons Trailhead in Newbury Park on October 20. A short walk from Sage’s offices on Conejo Spectrum St., the trailhead was in need of attention not only Read more…
An enthusiastic crowd of 55 volunteers turned out early on a cool, overcast morning to work on the Wishbone Trail behind the Westlake Village Community Park on October 15. The trail, which was completed a mere three years ago and is the newest in the Conejo Open Space system, needed Read more…
Please join us to help fix up the Wishbone Trail on Saturday, October 15 for the Conejo Fall Trail Work Day. You will be amazed at how much can be accomplished in a few hours by volunteers! No experience is needed; COSCA Rangers and other experienced crew leaders will provide Read more…
On Saturday March 19 about 130 volunteers came to help restore the Santa Rosa Trail above Wildwood Mesa to like-new condition! There were enough volunteers that crews also worked on the Teepee, Moonridge and Stagecoach Bluff Trails. The photos in the gallery below are from workers on the Santa Rosa Read more…
Native Plantpalooza & Eco Fest
Saturday October 7, 2023
A free, family-friendly outdoor event where the Conejo Valley community learns about native plants, water-wise gardening and more sustainable living. Click to learn more!