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
News from COSF (View all the updates.)
70 volunteers turned out for the Annual Fall Trail Work Day on October 19 (10/22/2024) - COSCA's Fall Trail Work Day at Westlake Community Park brought in 70 volunteers of all ages to improve the Wishbone Trail on Saturday, October 19. After the trails were cleaned up, COSF provided a delicious lunch for all and sponsored a fun raffle with $800 worth of gifts for those who gave their time to the trails. Special thanks are… (read more...)
Conejo Fall Trail Work Day on the Wishbone Trail: October 19, 2024! (10/7/2024) - We'll be working on the west fork of the Wishbone Trail, clearing out weeds and improving the tread. At noon, a taco lunch will be provided for the volunteers, and there will be lots of swag to give away. Please register in advance so we know how many people to prepare for! Arrive at 7:30 am to register and be… (read more...)
Third Annual Native Plantpalooza & Eco Fest Drew Enthusiastic Crowds (10/3/2024) - COSF launched Native Plantpalooza & Eco Fest in the fall of 2022 with the goal of producing a free outdoor live event to celebrate and support the Conejo Valley’s rich biodiversity. The community festival’s goal is to educate and inspire attendees about native plants, water-wise gardening and more sustainable living. The festival, which this year featured a beekeeper, pollinator experts,… (read more...)
The September Trail Work Day – Photos of the three projects (10/2/2024) - The September 28 trail work day took place at the Rancho Potrero Open Space, just south of Dos Vientos, and coincided with National Public Lands Day. Participants were given a one-day pass to federal lands, valid for a whole year! Volunteers worked on three separate projects: reconstructing a drainage lens, building a drain at a low point in the trail,… (read more...)
The Arroyo Conejo Creek cleanup – volunteers removed truckloads of trash! (9/23/2024) - The first all-volunteer Arroyo Conejo Creek cleanup, on September 21, resulted in over 20 volunteers removing 2 to 3 tons of trash from the creek; that works out to an average of over 200 lbs. per person! Scroll down to see a photo gallery of people in action. This was Conejo Valley's contribution to California Coastal Cleanup Day. Guided by… (read more...)
Dr. Thom Davis Reveals the Conejo Valley’s Explosive Geologic History. See the Recording Here (9/22/2024) - Dr. Thom Davis, a California State registered geologist and founder and director of the nonprofit Geologic Maps Foundation, was the second guest in COSF’s 2024 Speaker Series on September 18, with his presentation "Trail Geology: A Look at Rock Formations, Faults and Landscapes in the Conejo Open Space.” He began by noting our open space’s unique distinction as part of the Western Transverse Range—the… (read more...)
A heart shaped cactus pad is the subject of our Fall edition of the Four Seasons Photo Contest (9/11/2024) - The subject of the Fall four seasons contest is a heart shaped cactus pad. An example is shown on the right. This contest runs from September 1 to November 30. 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… (read more...)
Summer Photo Contest winner is Steve Johnson (9/11/2024) - Congratulations to Steve who submitted this photo of a bee in a flower that he took on the Palomino Trail. The winning picture is shown on the right. If you would like to enter future contests, 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.… (read more...)
News from COSF (View all the updates.)
70 volunteers turned out for the Annual Fall Trail Work Day on October 19 (10/22/2024) - COSCA's Fall Trail Work Day at Westlake Community Park brought in 70 volunteers of all ages to improve the Wishbone Trail on Saturday, October 19. After the trails were cleaned up, COSF provided a delicious lunch for all and sponsored a fun raffle with $800 worth of gifts for those who gave their time to the trails. Special thanks are… (read more...) Conejo Fall Trail Work Day on the Wishbone Trail: October 19, 2024! (10/7/2024) - We'll be working on the west fork of the Wishbone Trail, clearing out weeds and improving the tread. At noon, a taco lunch will be provided for the volunteers, and there will be lots of swag to give away. Please register in advance so we know how many people to prepare for! Arrive at 7:30 am to register and be… (read more...) Third Annual Native Plantpalooza & Eco Fest Drew Enthusiastic Crowds (10/3/2024) - COSF launched Native Plantpalooza & Eco Fest in the fall of 2022 with the goal of producing a free outdoor live event to celebrate and support the Conejo Valley’s rich biodiversity. The community festival’s goal is to educate and inspire attendees about native plants, water-wise gardening and more sustainable living. The festival, which this year featured a beekeeper, pollinator experts,… (read more...) The September Trail Work Day – Photos of the three projects (10/2/2024) - The September 28 trail work day took place at the Rancho Potrero Open Space, just south of Dos Vientos, and coincided with National Public Lands Day. Participants were given a one-day pass to federal lands, valid for a whole year! Volunteers worked on three separate projects: reconstructing a drainage lens, building a drain at a low point in the trail,… (read more...) The Arroyo Conejo Creek cleanup – volunteers removed truckloads of trash! (9/23/2024) - The first all-volunteer Arroyo Conejo Creek cleanup, on September 21, resulted in over 20 volunteers removing 2 to 3 tons of trash from the creek; that works out to an average of over 200 lbs. per person! Scroll down to see a photo gallery of people in action. This was Conejo Valley's contribution to California Coastal Cleanup Day. Guided by… (read more...) Dr. Thom Davis Reveals the Conejo Valley’s Explosive Geologic History. See the Recording Here (9/22/2024) - Dr. Thom Davis, a California State registered geologist and founder and director of the nonprofit Geologic Maps Foundation, was the second guest in COSF’s 2024 Speaker Series on September 18, with his presentation "Trail Geology: A Look at Rock Formations, Faults and Landscapes in the Conejo Open Space.” He began by noting our open space’s unique distinction as part of the Western Transverse Range—the… (read more...) A heart shaped cactus pad is the subject of our Fall edition of the Four Seasons Photo Contest (9/11/2024) - The subject of the Fall four seasons contest is a heart shaped cactus pad. An example is shown on the right. This contest runs from September 1 to November 30. 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… (read more...) Summer Photo Contest winner is Steve Johnson (9/11/2024) - Congratulations to Steve who submitted this photo of a bee in a flower that he took on the Palomino Trail. The winning picture is shown on the right. If you would like to enter future contests, 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.… (read more...)Follow us on social media
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