Conejo Open Space Foundation
The Conejo Open Space Foundation is dedicated to helping preserve, promote and protect natural open space through community education and involvement. We support these efforts by fundraising and volunteer engagement.
Upcoming Events
Our new “Four Seasons” quarterly photo contest starts now! Spring photo: Spider web with dew. (4/30/2024) - Starting in 2024, we are challenging you with the “Four Seasons” contest! We want to find out how good you are at locating specific kinds of sights in our Open Space. Each season, we’ll post the name of something that you can find in the Conejo Open Space, such as the spider web in the photo below. And that's the object that must be included in the photo for spring: a spider web with dew! We’ll give you a challenge like this at the start of each season. Here are the rules: Every season, we’ll identify a specific item (e.g.,… (read more...)
The 2024 Conejo Open Space Challenge starts March 1! (2/1/2024) - Here's your chance to explore some of the best trails in the Conejo Open Space that many people are not familiar with! From March 1st through May 31st the Conejo Open Space Conservation Agency (COSCA) is challenging mountain bikers, hikers, trail runners and equestrians of all ages to try out some trails that may be new to them. See if you can complete all ten trails! If you do, you will be entered into a raffle and could win a prize donated by some awesome sponsors. View updates to the Challenge activities on the Challenge web page, including galleries of… (read more...)
News from COSF (View all the updates.)
Photos from the 2024 Conejo Open Space Challenge (5/5/2024) - Here are some of the hundreds of photos of the Conejo Open Spaces that have been submitted so far from participants of the 2024 Conejo Open Space Challenge. These 48 images come from 20 people who have accepted the Challenge and are working their way through the ten designated trails. If you would like to see some of your photos… (read more...)
Hummingbird expert Dr. Julie Morley explains how you can help these tiny birds—view her recorded webinar presentation here (5/3/2024) - Dr. Julie Morley's talk focused on understanding hummingbirds’ biology and habits so people can cultivate safer and more welcoming habitats for them. (read more...)
It’s New Map Monday in Lang Ranch: Woodridge Loop with Longer Options (4/1/2024) - Highlights Four possible routes of varying difficulty: 2.8 miles with 550' of climbing for the Woodbridge Loop alone 4.1 miles with 750' of climbing, starting in Wood Ranch 4.4 miles with 750' of climbing, starting on Westlake Blvd. 6.7 miles with 1300' of climbing, starting on Erbes Rd. The Woodridge Loop is a short easy hike that circumnavigates the gated… (read more...)
It’s New Map Monday in Oakbrook/Lang Ranch: Sandstone Hills Trail (3/25/2024) - Highlights The rocky scenery is beautiful as the trail cuts across the towering and rugged south flank of Simi Peak and the Simi Hills View deposits from the Middle Miocene period (14 million years ago) and Upper Cretaceous period (100 million to 66 million years ago when the dinosaurs went extinct) in the cliffs above the trail Experience a sea… (read more...)
Spring Trail Work Day Improves Hill Canyon, Draws Enthusiastic Volunteers (3/21/2024) - The first. of COSCA's two big trail work days drew over 65 volunteers to Hill Canyon to work on the trails there and battle invasive milk thistle and mustard. The Santa Monica Mountains Trails Council and Concerned Off-Road Bicyclists Association (CORBA) provided crew leaders, while Safe Passage Youth Foundation joined in with a group of. teen trail workers. The day… (read more...)
It’s New Map Monday in Wildwood: Lizard Rock and Hidden Rim Trails Figure 8 Double Loop (3/18/2024) - Highlights From the Lizard Rock Trail, there are great views into three different canyons See the volcanic legacy of the Conejo Valley firsthand on the Stagecoach Bluff Trail Cross the new Conejo Canyons Vehicle Bridge, expected to be completed in late winter 2024 The Lizard Rock Trail is included in the 2024 Conejo Open Space Challenge, shown in green on… (read more...)
Clearing the Eagle Point Trail in Wildwood during the January Trail Work Day (1/27/2024) - There was a great turnout at today's COSCA monthly trailwork day on the Eagle Point Trail at Wildwood Regional Park! There were about 35 volunteers who worked to cut back brush and smooth this beautiful, hilly trail. If you would like to be notified about upcoming trailwork, please sign up at our website. And if you took part in today's… (read more...)
New Conejo Canyons Vehicle Bridge to Open Soon: Videos of the Construction (1/15/2024) - Years in the planning, the new bridge in Hill Canyon is taking just a few months to construct and will be available for hikers, mountain bikers and equestrians to use as well as official vehicles. With the Hill Canyon Pedestrian Bridge at the north entrance to Hill Canyon, completed in February 2012, some interesting new routes will be possible for… (read more...)
Our new “Four Seasons” quarterly photo contest starts now! Spring photo: Spider web with dew. (4/30/2024) - Starting in 2024, we are challenging you with the “Four Seasons” contest! We want to find out how good you are at locating specific kinds of sights in our Open Space. Each season, we’ll post the name of something that you can find in the Conejo Open Space, such as the spider web in the photo below. And that's the object that must be included in the photo for spring: a spider web with dew! We’ll give you a challenge like this at the start of each season. Here are the rules: Every season, we’ll identify a specific item (e.g.,… (read more...) The 2024 Conejo Open Space Challenge starts March 1! (2/1/2024) - Here's your chance to explore some of the best trails in the Conejo Open Space that many people are not familiar with! From March 1st through May 31st the Conejo Open Space Conservation Agency (COSCA) is challenging mountain bikers, hikers, trail runners and equestrians of all ages to try out some trails that may be new to them. See if you can complete all ten trails! If you do, you will be entered into a raffle and could win a prize donated by some awesome sponsors. View updates to the Challenge activities on the Challenge web page, including galleries of… (read more...) Photos from the 2024 Conejo Open Space Challenge (5/5/2024) - Here are some of the hundreds of photos of the Conejo Open Spaces that have been submitted so far from participants of the 2024 Conejo Open Space Challenge. These 48 images come from 20 people who have accepted the Challenge and are working their way through the ten designated trails. If you would like to see some of your photos… (read more...) Hummingbird expert Dr. Julie Morley explains how you can help these tiny birds—view her recorded webinar presentation here (5/3/2024) - Dr. Julie Morley's talk focused on understanding hummingbirds’ biology and habits so people can cultivate safer and more welcoming habitats for them. (read more...) It’s New Map Monday in Lang Ranch: Woodridge Loop with Longer Options (4/1/2024) - Highlights Four possible routes of varying difficulty: 2.8 miles with 550' of climbing for the Woodbridge Loop alone 4.1 miles with 750' of climbing, starting in Wood Ranch 4.4 miles with 750' of climbing, starting on Westlake Blvd. 6.7 miles with 1300' of climbing, starting on Erbes Rd. The Woodridge Loop is a short easy hike that circumnavigates the gated… (read more...) It’s New Map Monday in Oakbrook/Lang Ranch: Sandstone Hills Trail (3/25/2024) - Highlights The rocky scenery is beautiful as the trail cuts across the towering and rugged south flank of Simi Peak and the Simi Hills View deposits from the Middle Miocene period (14 million years ago) and Upper Cretaceous period (100 million to 66 million years ago when the dinosaurs went extinct) in the cliffs above the trail Experience a sea… (read more...) Spring Trail Work Day Improves Hill Canyon, Draws Enthusiastic Volunteers (3/21/2024) - The first. of COSCA's two big trail work days drew over 65 volunteers to Hill Canyon to work on the trails there and battle invasive milk thistle and mustard. The Santa Monica Mountains Trails Council and Concerned Off-Road Bicyclists Association (CORBA) provided crew leaders, while Safe Passage Youth Foundation joined in with a group of. teen trail workers. The day… (read more...) It’s New Map Monday in Wildwood: Lizard Rock and Hidden Rim Trails Figure 8 Double Loop (3/18/2024) - Highlights From the Lizard Rock Trail, there are great views into three different canyons See the volcanic legacy of the Conejo Valley firsthand on the Stagecoach Bluff Trail Cross the new Conejo Canyons Vehicle Bridge, expected to be completed in late winter 2024 The Lizard Rock Trail is included in the 2024 Conejo Open Space Challenge, shown in green on… (read more...) Clearing the Eagle Point Trail in Wildwood during the January Trail Work Day (1/27/2024) - There was a great turnout at today's COSCA monthly trailwork day on the Eagle Point Trail at Wildwood Regional Park! There were about 35 volunteers who worked to cut back brush and smooth this beautiful, hilly trail. If you would like to be notified about upcoming trailwork, please sign up at our website. And if you took part in today's… (read more...) New Conejo Canyons Vehicle Bridge to Open Soon: Videos of the Construction (1/15/2024) - Years in the planning, the new bridge in Hill Canyon is taking just a few months to construct and will be available for hikers, mountain bikers and equestrians to use as well as official vehicles. With the Hill Canyon Pedestrian Bridge at the north entrance to Hill Canyon, completed in February 2012, some interesting new routes will be possible for… (read more...)Follow us on social media
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