Conejo Open Space Foundation
Conejo Open Space Foundation’s mission
To help preserve, promote and protect the open spaces through community education and involvement, and fundraising to support these efforts.
News from COSF (View all the updates.)
Sept 23, Conejo trail restoration for National public Lands Day! (9/14/2023) - The second monthly trail work day is being held on the morning of Saturday September 23, in honor of National Public Lands Day. The work will be on the trails of Rancho Potrero, clearing weeds that choke the trails and fixing ruts. The monthly work days are organized by the Conejo Open Space Conservation Agency (COSCA), with support from COSF. In order to participate, you will need to sign up online. Details of where and when to meet will be provided when you register. The work will be done under the guidance of COSCA rangers. (read more...)
Come Visit COSF’s Family-friendly Native Plantpalooza & Eco Fest October 1! (8/7/2022) - This free educational event with dozens of eco-related exhibitors will have lots of fun activities for the kids! Hosted by the Conejo Open Space Foundation on Saturday October 1, it will take place in Thousand Oaks at the Lakeside Pavilion area of the Conejo Creek North Park, from 9:00 a.m. to 2:00 p.m. The first-time festival’s exhibitors include butterfly experts from Betina’s Little Farm and Butterfly Garden, beekeepers from the Los Angeles County Beekeeping Association, noted wildflower painter and author Stacy Ruda Best, the garden clubs of Westlake Village and Conejo Valley, Poison Free Conejo, and many more. Exhibitors will… (read more...)
Alicia Di Rado is the winner of the August ‘Where in the Conejo’ photo contest! (8/8/2022) - The August 1 "Where in the Conejo" contest photo featured a hairstreak butterfly feeding on buckwheat flowers while a bee assassin captured a honeybee. Of the correct entrants, Alicia Di Rado was selected at random as the winner of… (read more...)
Monarch butterflies now listed as endangered: What we can all do to help them (7/25/2022) - The migratory monarch butterfly has been added to the endangered species 'Red List' by the International Union for the Conservation of Nature in mid-July 2022. This colorful butterfly is known for its spectacular migration of up to 2,500 miles from… (read more...)
Christine Elowitt is the winner of the July ‘Where in the Conejo’ photo contest! (7/8/2022) - The July 1 Where in the Conejo contest photo was of the Santa Rosa Trail in Wildwood Park. Of the correct entrants, Christine was selected at random as the winner of a $25 gift certificate. Congratulations Christine and thanks to… (read more...)
It’s New Map Monday! Los Robles East, White Horse Canyon, Los Padres Figure Eight Loop (6/20/2022) - Highlights Beautiful oak forest at the bottom of Los Padres Trail Great views of Thousand Oaks and more from Los Robles Overlook More remote White Horse Canyon and Brookview Trails have few visitors and great views Description This is a… (read more...)
2022 Summer COSF Newsletter (6/16/2022) - The Summer edition of the Conejo Open Space Foundation newsletter has been posted. In this edition…Environmental studies scholarship winners : The "Monarch Miracle" report on our latest speaker and video recording : Trails Education Days for 4th grade students are… (read more...)
It’s New Map Monday! Los Robles – Felton St. to Angel Vista via the Dragonback Hills (6/13/2022) - Highlights Pretty route with quick access for Newbury Park residents Great views at Angel Vista – from the Channel Islands to Topatopa Bluff to the Santa Suzana Mountains to Mount Baldy Experience the “Dragonback Hills” Description This out-and-back route gets… (read more...)
View the recording of Betina Loudermilk’s talk about the plight of the Western monarch butterflies and what you can do to help them survive (6/10/2022) - For COSF’s summer 2022 Speaker Series virtual presentation on June 8, butterfly educator Betina Loudermilk of Betina’s Little Farm & Butterfly Garden gave a fact-filled presentation about the East and West Coast monarch migrations and lifecycles. She discussed the mysterious… (read more...)
Ventura County Bans Sale of Tropical Milkweed to Protect Monarchs (6/9/2022) - Because of its role in spreading disease among Western monarch butterflies, tropical milkweed (Asclepias curassavica) has been classified as a “noxious weed” by the California Department of Food and Agriculture. That led to a June 1 notice of a ban… (read more...)
Sept 23, Conejo trail restoration for National public Lands Day! (9/14/2023) - The second monthly trail work day is being held on the morning of Saturday September 23, in honor of National Public Lands Day. The work will be on the trails of Rancho Potrero, clearing weeds that choke the trails and fixing ruts. The monthly work days are organized by the Conejo Open Space Conservation Agency (COSCA), with support from COSF. In order to participate, you will need to sign up online. Details of where and when to meet will be provided when you register. The work will be done under the guidance of COSCA rangers. (read more...) Come Visit COSF’s Family-friendly Native Plantpalooza & Eco Fest October 1! (8/7/2022) - This free educational event with dozens of eco-related exhibitors will have lots of fun activities for the kids! Hosted by the Conejo Open Space Foundation on Saturday October 1, it will take place in Thousand Oaks at the Lakeside Pavilion area of the Conejo Creek North Park, from 9:00 a.m. to 2:00 p.m. The first-time festival’s exhibitors include butterfly experts from Betina’s Little Farm and Butterfly Garden, beekeepers from the Los Angeles County Beekeeping Association, noted wildflower painter and author Stacy Ruda Best, the garden clubs of Westlake Village and Conejo Valley, Poison Free Conejo, and many more. Exhibitors will… (read more...) Alicia Di Rado is the winner of the August ‘Where in the Conejo’ photo contest! (8/8/2022) - The August 1 "Where in the Conejo" contest photo featured a hairstreak butterfly feeding on buckwheat flowers while a bee assassin captured a honeybee. Of the correct entrants, Alicia Di Rado was selected at random as the winner of… (read more...) Monarch butterflies now listed as endangered: What we can all do to help them (7/25/2022) - The migratory monarch butterfly has been added to the endangered species 'Red List' by the International Union for the Conservation of Nature in mid-July 2022. This colorful butterfly is known for its spectacular migration of up to 2,500 miles from… (read more...) Christine Elowitt is the winner of the July ‘Where in the Conejo’ photo contest! (7/8/2022) - The July 1 Where in the Conejo contest photo was of the Santa Rosa Trail in Wildwood Park. Of the correct entrants, Christine was selected at random as the winner of a $25 gift certificate. Congratulations Christine and thanks to… (read more...) It’s New Map Monday! Los Robles East, White Horse Canyon, Los Padres Figure Eight Loop (6/20/2022) - Highlights Beautiful oak forest at the bottom of Los Padres Trail Great views of Thousand Oaks and more from Los Robles Overlook More remote White Horse Canyon and Brookview Trails have few visitors and great views Description This is a… (read more...) 2022 Summer COSF Newsletter (6/16/2022) - The Summer edition of the Conejo Open Space Foundation newsletter has been posted. In this edition…Environmental studies scholarship winners : The "Monarch Miracle" report on our latest speaker and video recording : Trails Education Days for 4th grade students are… (read more...) It’s New Map Monday! Los Robles – Felton St. to Angel Vista via the Dragonback Hills (6/13/2022) - Highlights Pretty route with quick access for Newbury Park residents Great views at Angel Vista – from the Channel Islands to Topatopa Bluff to the Santa Suzana Mountains to Mount Baldy Experience the “Dragonback Hills” Description This out-and-back route gets… (read more...) View the recording of Betina Loudermilk’s talk about the plight of the Western monarch butterflies and what you can do to help them survive (6/10/2022) - For COSF’s summer 2022 Speaker Series virtual presentation on June 8, butterfly educator Betina Loudermilk of Betina’s Little Farm & Butterfly Garden gave a fact-filled presentation about the East and West Coast monarch migrations and lifecycles. She discussed the mysterious… (read more...) Ventura County Bans Sale of Tropical Milkweed to Protect Monarchs (6/9/2022) - Because of its role in spreading disease among Western monarch butterflies, tropical milkweed (Asclepias curassavica) has been classified as a “noxious weed” by the California Department of Food and Agriculture. That led to a June 1 notice of a ban… (read more...)Follow us on social media
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