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
Native plants in bike pannier at Native Plantpalooza & Eco Fest Native Plantpalooza & Eco Fest returns September 28! (6/19/2024) - Native Plantpalooza & Eco Fest is back! Please join us for our third annual FREE educational event featuring dozens of eco-related exhibitors and fun activities for kids. The event will be held rain or shine on Saturday, September 28, from 9:00 a.m. to 2:00 p.m. at Lakeside, Conejo Creek North Park in Thousand Oaks. Get your questions answered about water-wise, fire-resistant native-plant gardening, learn how to fight climate change and find tips on living more sustainably—all completely free of charge! Kids can learn about plants and animals and what they can do to help the environment. The festival’s exhibitors will… (read more...)
A bee in a flower is the subject of our Summer edition of the Four Seasons Photo Contest (6/3/2024) - The subject of the summer four seasons contest is a bee in a flower. An example is shown on the right. This contest runs from June 1 to August 31. To enter the contest here are the rules: Every season, we’ll identify a specific item (e.g., “an oak tree”) for you to find within the Conejo Open Space. As long as the object is within COSCA property, it qualifies. Here is a map of the Conejo Open Space trails. After you’ve located an object that matches the challenge description, take a photo of it. Then email us your entry and… (read more...)
News from COSF (View all the updates.)

2024 Summer COSF Newsletter (6/19/2024) - The summer edition of the Conejo Open Space Foundation newsletter has been posted. In this edition… Trails Education Days Summary : 2024 Scholarship Winners : Spring Photo Contest Winner : Spotlight on Sean Crommelin : Open Space Challenge Grand Prize Winner : News in Brief : and more... View our Summer Conejo Open Space Newsletter. (read more...)
Clearing weeds on the Oakbrook Vista Trail for June’s trail work day (6/17/2024) - This past Saturday, June 15, about 15 volunteered help cut back the weeds on the side of the trail that were severely narrowing it. Mostly the blame lay with invasive mustard, but there was also star thistle, Italian thistle and an assortment of other invasive or native species to clear. The group made great headway and had cleared the designation… (read more...)
The 2024 Trails Education Days writing contest winners; the 2025 event will be April 26 – May 1 (6/16/2024) - The 2024 Trails Education Days provided lessons on open space for 1,053 Conejo 4th grade students from all 17 CVUSD elementary schools. Sincere Thanks The Conejo Open Space Foundation extends a hearty THANK YOU to these Trails Education Days sponsors, supporters, staff & volunteers: Emmett R Quady Foundation Conejo Group Sierra Club Conejo Open Space Conservation Agency Conejo Recreation and… (read more...)
Spring Photo Contest winner is Rita Pulaski! (6/3/2024) - Congratulations to Rita who submitted this photo of a dew-covered spiderweb that she took on the Powerline Trail in Dos Vientos. Her picture is shown on the right, and some of the other photos that were submitted are shown in the gallery below.                 If you would like to enter future contests, here… (read more...)
Students from Agoura Hills, Thousand Oaks Win COSF 2024 Eco Scholarships (5/29/2024) - Two local high school seniors, Simone Scheuble-Isip of Thousand Oaks and Alexandria Paris Williams of Agoura Hills, are the recipients of the fourth annual Conejo Open Space Foundation scholarships. The $1,000 scholarships support students pursuing environmental-studies-related majors at two- or four-year colleges or universities. The scholarships, which provide up to $4,000 per student in total, are determined by a six-person panel.… (read more...)
The May Trail Work Day: Working to restore the Glider Hill South Trail (5/28/2024) - An old trail has re-emerged for your enjoyment! You can help ensure the trail remains in place by hiking or riding it. As well as enjoying a piece of history, you will help pack the dirt down and thus slowing vegetation regrowth. On May 18, about 25 volunteers worked to restore the Glider Hill South Trail that disappeared years ago… (read more...)
The Challenge ends May 31! See recent photos from participants (5/28/2024) - More and more people are finishing the 10 trails of the 2024 Conejo Open Space Challenge, submitting photos of the amazing views as they do. The Challenge finishes at the end of this week, so if you're planning to complete it but haven't yet, you better get your feet in gear! Here is a gallery of photos that have been… (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...)

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