The photo from our February 14th contest, shown here, was of Wildwood Canyon in Wildwood Park. Congratulations to Robert Angstadt who provided the correct answer and was selected as the winner. Thanks to all who responded! Learn more about the contest on our Where in the Conejo page. The photo Read more
We hope that our “Where in the Conejo” contest inspires open space enthusiasts like you to find new places in our beautiful open space areas that you wouldn’t have otherwise known about. You could win a $25 gift certificate if you make a correct entry by Feb 21st, one week Read more
We post the most significant recent news to our home page, but it’s even easier to keep up with all COSF news without having to visit our website. Using an app on your phone or tablet, our news will be delivered to you on your own terms! Using the web Read more
This year volunteers will be meeting at the inner parking lot at Wildwood Park to help repair damage to the Santa Rosa Trail. 7:30 am: Meet at the inner (lower) lot for check-in at the registration table, complete a release form and pick up some snacks. 8:00 am: Trailwork begins Read more
Even though there is no charge for this event, we have reached the capacity of the room so we are marking it as “Sold Out.” Join us for the kick-off to the COSF Speaker Series for 2020! In the early 20th century, the Conejo Valley and adjacent locations were quiet, Read more
Many of us love shopping! Now, you can take that purchase even further, if you are shopping on Amazon. You have the option to support a charity like ours. For any eligible purchases made, the AmazonSmile Foundation will donate 0.5% of the price to the Conejo Open Space Foundation at no Read more
We hope that our “Where in the Conejo” contest inspires open space enthusiasts like you to find new places in our beautiful open space areas that you wouldn’t have otherwise known about. And you could win a $25 gift certificate! Can you identify the trail portion shown in the photo? Read more
The photo in the December 12th issue of the Thousand Oaks Acorn, shown here, was of the Santa Rosa Trail where it drops from Mount Clef Ridge down onto Wildwood Mesa. Congratulations to Susan Cooley who provided the correct answer and was selected as the winner. Thanks to all who Read more
Update on March 28, 2020: Due to the closing of all trails in the Conejo Valley today, the Open Space Challenge is suspended. Once the trails are open again, the Challenge will continue with the end date pushed out to July 31st. This plan is subject to change as conditions Read more
The Conejo Open Space Conservation Agency, COSCA, starts off the new year of 2020 with a brand new logo, shown to the right. The earlier one, below, dated to the time that COSCA was created in 1977. It has served well over the years, but the new one is certainly Read more