The migratory monarch butterfly has been added to the endangered species ‘Red List’ by the International Union for the Conservation of Nature in mid-July 2022. This colorful butterfly is known for its spectacular migration of up to 2,500 miles from Mexico to Canada, taking several generations to complete the route. Read more…
Highlights Beautiful oak forest at the bottom of Los Padres Trail Great views of Thousand Oaks and more from Los Robles Overlook More remote White Horse Canyon and Brookview Trails have few visitors and great views Description This is a moderately strenuous 8.5 mile double loop, with a total elevation Read more…
For COSF’s summer 2022 Speaker Series virtual presentation on June 8, butterfly educator Betina Loudermilk of Betina’s Little Farm & Butterfly Garden gave a fact-filled presentation about the East and West Coast monarch migrations and lifecycles. She discussed the mysterious resurgence of the Western monarchs and the grave threats they Read more…
Because of its role in spreading disease among Western monarch butterflies, tropical milkweed (Asclepias curassavica) has been classified as a “noxious weed” by the California Department of Food and Agriculture. That led to a June 1 notice of a ban by Ventura County Agricultural Commissioner Ed Williams on its sale Read more…
Trails Education Days returned to Wildwood Park April 25 to 28 after a two-year hiatus caused by the COVID-19 pandemic. The goal of the program is to instill youngsters with an appreciation and sense of stewardship of natural open space. It provides lessons on open space for Conejo Valley Unified Read more…
These photos were all submitted via email by participants of the 2022 Conejo Open Space Challenge. Thanks to the open space enthusiasts who submitted their photos to share!
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…
Highlights Easy hike of only 2.2 miles, return. One of the segments of the 2022 Conejo Open Space Challenge (http://cosf.org/challenge) Description This is a broad singletrack trail that makes for an easy hike. The surface is gravel on a firm base with a moderate grade. There is no parking on Read more…
For COSF’s first 2022 Speaker Series virtual presentation on March 2, conservation ecologist Dr. Sean Anderson examined the multiple threats posed to the Conejo Valley by global warming—or “global weirding,” as he calls it because of the bizarre weather events it causes. Dr. Anderson, who chairs the Environmental Science and Read more…
The Conejo Open Space Foundation voted in three new officers and re-elected a current one to head the nonprofit, all-volunteer organization at its February 7 board meeting. The terms of the new executive group begins March 1. Jerry Westby, who served as COSF’s President for 3 years, stepped down and Read more…