Conejo Open Space Foundation
  • About Us
    • Our Story…
      • Our Story
      • Board of Directors
      • Accomplishments
    • History…
      • History of the Conejo Open Space
      • Historic Conejo Open Space Promotional Videos
    • Connect With Us
    • Links to Our Friends
    • What are these: COSCA, COSTAC, COSF, CRPD…
    • Privacy Policy as of 2019-06-04
  • Support Us!
    • Overview
    • Volunteer
    • Make a Donation
    • More Ways To Give
  • Get Involved
    • Open Space Programs
    • Event Signup
    • Volunteer!
    • Conejo Open Space Challenge 2025: March 1 to May 31
    • Speaker Series
    • Native Plantpalooza & Eco Fest
    • Trail Building and Restoration
    • Trails Education Days for 4th Graders
      • Video Overview
      • Recent Updates for Trails Education Days
      • Trails Education Days Videos
    • “Four Seasons” photo contest
      • Sign up for notifications!
    • Scholarships for Environmental Studies
      • How to Apply
      • Scholarships News
  • Volunteering
    • Volunteering Overview
    • Apply to Volunteer
    • Volunteer Report Forms
      • Adopt-A-Trail Report Form
      • Bike Bell Report Form
      • Trail Ambassadors Report
      • Trail Watch Report
      • Log your Trail Work Events
    • Trail Work Notification Signup
    • COSCA Volunteer Manual
  • News
    • Latest News
    • Current Newsletter
    • Newsletter Archive
    • Sign up for our Newsletter!
    • Press Releases
    • Get COSF news on your phone via RSS
  • Explore Open Spaces
    • Open Space Trails and Maps
      • Map Overview
      • Compact Trail Route Guides
      • Conejo Canyons Open Space (Western Plateau)
      • Dos Vientos and Rancho Potrero Open Spaces
      • Lang Ranch, Woodridge and Oakbrook Regional Park
      • Los Robles Open Space area
      • Wildwood Park
      • Other Trails including North Ranch
      • List of Maps
    • Things to do and see
      • Open Space Activities
      • Native Plants
      • Non-Native Plants
      • Wildlife
      • Flora and Fauna Videos
    • Be Prepared
    • Rules of the Trails

February 2019

Fundraising

Support COSF by shopping with Amazon Smile

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…

By Steve Clark, 6 years02/03/2019 ago
Conejo OS Challenge

Announcing the 2019 Conejo Open Space Challenge!

Here’s your chance to explore some of the best trails in the Conejo Open Space that most people are not familiar with! From March 1st through May 31st we are challenging mountain bikers, hikers, trail runners and equestrians of all ages to try out some new trails. See if you Read more…

By Steve Clark, 6 years02/01/2019 ago

Hestia | Developed by ThemeIsle

Lions and fires and humans, Oh deer!
How mule deer in the Santa Monica Mountains and Conejo Valley navigate a dynamic landscape of risks and rewards

A virtual presentation by
Ellie Bolas

on Wednesday July 9 at 7:00 pm.

Register to watch!