2023 Winter COSF Newsletter
The winter edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Major Arroyo Conejo Cleanup : “TeamConejo” Shirts for Volunteers : Monthly Trail Work Days : Scholarship Program : Plantpalooza : Spotlight on Katrina Nolan : and more… View our Winter Conejo Open Space Newsletter.
How your COSF contributions make a difference…
Your gift helps both the environment and people! 12 college scholarships have been awarded to environmental studies students to date. Supported needed supplies for 171 Trail Work Day volunteers with over 615 hours of service. Supported Trails Education Days open space education program for Conejo Valley 4th graders, including those Read more
The great volunteer turnout made for a successful 2023 Fall Trail Work Day on Saturday – Summary and photo gallery
Well over 100 people helped fix up three trails in Wildwood Park on October 21, with 89 volunteers plus COSCA rangers and several members of the Conejo Youth Conservation Corps (CYCC). Participants split into several group and spread out to fix ruts, cut back encroaching vegetation, including cactus, clean out Read more
Native Plantpalooza & Eco Fest Stages a Successful Return October 7; See the gallery of photos!
Last year, COSF launched a live event as part of its popular Speaker Series: Native Plantpalooza & Eco Fest. This year Native Plantpalooza returned to Conejo Creek North Park on Saturday, October 7, an unusually warm day. Nonetheless, the free event, which featured beekeepers, butterfly experts, climate activists and other Read more
It’s New Map Monday in Wildwood Park: Two Springs, Paradise Falls and Wildwood Canyon Trails
Highlights Enjoy the beauty and tranquility of Wildwood Canyon without the crowds or dusty parking Easy short loop along park walkways and pretty canyon trails Two Springs Trail is closed to mountain bikers and equestrians because of stairs Includes two tunnels that pass underneath Avenida de los Arboles Everybody likes Read more
NPLD trail work at Rancho Potrero: What a success!
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
2023 Fall COSF Newsletter
The fall edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Native Plantpalooza & Eco Fest Returns Oct. 7 : Next monthly COSCA trail work day will be September 23 : Ranger Luis Jimenez Joins COSCA Team : Spotlight on John Noble : and more… Read more
It’s New Map Monday in Wildwood Park: Lizard Rock, Paradise Falls and Two Springs Loop
Highlights View of Wildwood Mesa, Elliott Mountain, Hawk Canyon and the Western Plateau from Lizard Rock Rugged volcanic rock on Stagecoach Bluff. The trail is a real challenge for mountain bikers; many use the much easier Mesa Trail instead Everybody loves to visit Paradise Falls Description This is a moderate Read more
Barbara Welch is Our August ‘You in the Conejo’ Winner!
August’s “You in the Conejo” winner is Barbara Welch, whose photo featured the challenge subject for August—a Conejo Open Space trail sign—plus a bonus lizard on said sign. (We’re counting her including her hiking stick as a selfie,) Here’s a recap of the “You in the Conejo” rules: Each month Read more











