Highlights This route is 4.9 miles long with about 800′ of ascent. The Twin Ponds, roughly half way along Vista Del Mar Trail. If there was a substantial amount of rain the preceding winter, there will be waterfowl in the ponds. The view is constantly changing on these hilly trails, Read more
Highlights This short out-and-back hike quickly gains elevation to give a good view over Oakbrook Regional Park and Lang Ranch Open Space to the north. You’ll get a great view of Albertson Motorway as it winds it’s way up the hills. In spring, the trail is lined with blooming purple Read more
CANCELED due to the weather: November 22 Trail Work. The following text is from the original announcement. Join the COSCA rangers and other enthusiastic volunteers on November 22 to help fix up the Park View Trail above Dos Vientos Community Park! If you’re looking for for some ways to get Read more
Highlights This route is 8.0 miles long with about 1300′ of elevation gain. There will be waterfowl in the Twin Ponds if there was a enough rain during the preceding winter to keep the ponds from drying up. The view is constantly changing on these hilly trails, overlooking Dos Vientos Read more
The fall edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Announcing Plantpalooza 2025 – October 11 : New COSCA ranger Will Haver : Summary of speaker event “Lions and fires and humans, Oh deer!” : Focus on Robin Bertolucci, our newest board member : Read more
Congratulations are due once again to Mike Moessl, who submitted this photo of a sunrise seen from the Lang Ranch Open Space for our Summer “Four Seasons” photo contest. Mike also won the Spring wildflower challenge with his photo of woolly blue curls. For Autumn ‘Four Seasons’ contest our challenge subject is Read more
Visit China Flat, Conejo Canyons, Rancho Sierra Vista or Satwiwa as the sun is rising. Watch in anticipation as it casts delicate morning light on the open canopy of the oak savanna, the frosted tips of wild oats and desiccated sagebrush—and wait. You just might see the unmistakable glimmer of Read more
Congratulation to Mike Moessl, who submitted this photo of woolly blue curls that he took in the Lang Ranch Open Space! Photo challenge for the Summer “Four Seasons” contest is sunrises and sunsets as seen from the Conejo Open Spaces. If you would like to enter future contests, here are Read more
The summer edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Grade 4 Trails Education Days summary and essay contest winners : Conejo Open Space Challenge wrap-up : Beware the goldspotted oak borer : Newest COSF board member Jessica Minucci : Spring photo contest winner Read more
Isabella Lee is COSF’s new 2025 Environmental Studies scholar. Isabella, who graduated from Thousand Oaks High School, replaces Greceldy Hau as the recipient of one of COSF’s two scholarship awards because Greceldy will be pursuing a college major other than environmental studies. Isabella says that her determination to work toward Read more