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 2026: March 1 to May 31
    • Speaker Series
    • Native Plantpalooza & Eco Fest for 2025
    • 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 PDF 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

Conejo OS Challenge

Conejo OS Challenge

A gallery of 2020 COS Challenge photos

These photos were submitted via Twitter and Instagram. Remember to maintain your appropriate social distance from other trail users while enjoying our open space during the coronavirus epidemic. Thanks to Twitter users RachelHKnight, seangreene89, Mirdear1, cmgrowell and Instagram users jesscdy, val_eaton , mirdear75, justbexpix, northsea007, and meg_macias for allowing us Read more

By Steve Clark, 6 years03/26/2020 ago
Conejo OS Challenge

Sierra Club hikes planned to cover COS Challenge trails in March

The Conejo chapter of the Sierra Club will be leading hikes that cover the trails of the Conejo Open Space Challenge. All 10 trails will be covered during the month of March, and all hikes are only a few miles long. View the schedule on our Events page or visit Read more

By Steve Clark, 6 years02/28/2020 ago
Conejo OS Challenge

Announcing the 2020 Conejo Open Space Challenge!

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

By Steve Clark, 6 years01/20/2020 ago
Conejo OS Challenge

Summary of the 2019 Conejo Open Space Challenge

There were 190 participants and 120 finishers who completed all 10 segments. We think all the participants are winners because they almost certainly explored some trails they hadn’t been on before! These photos are of the wrap-up celebration and prize raffle for people who completed the challenge, held June 7, Read more

By Steve Clark, 7 years06/14/2019 ago
Conejo OS Challenge

A gallery of 60 COS Challenge photos from 2019 submitted via email and Twitter

By Steve Clark, 7 years05/31/2019 ago
Conejo OS Challenge

A gallery of 44 COS Challenge photos from 2019 submitted via Twitter and email

By Steve Clark, 7 years04/29/2019 ago
Conejo OS Challenge

A gallery of 45 COS Challenge photos from 2019 submitted via email

By Steve Clark, 7 years04/15/2019 ago
Conejo OS Challenge

A gallery of 26 COS Challenge photos from 2019 submitted via Twitter

By Steve Clark, 7 years03/24/2019 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, 7 years02/01/2019 ago
Conejo OS Challenge

Summary of the 2018 Conejo OS Challenge

There were 171 participants and 64 finishers who completed all 10 segments of this year’s Open Space Challenge. This compares to 74 participants (and 25 finishers) in 2017 and 55 (35) in 2016. A few photos submitted by 2018 participants. Here are some photos that were submitted.

By Steve Clark, 8 years06/14/2018 ago

Posts pagination

Previous 1 … 5 6

Hestia | Developed by ThemeIsle