We’re now exactly half way through the 2025 Challenge! Here are some more great photos submitted by the enthusiastic participants. If you would like to join the fun, check out the details on our Conejo Open Space Challenge page!
On April 16 at 7:00 p.m., Kim Corella, a forest pest specialist in the Forest Entomology and Pathology Program with Cal Fire, will join COSF as our second Speaker Series guest to talk about “Oaks in Peril.” She will address the history, current range and dangers posed to our native oak species by a new invasive beetle, the goldspotted oak Read more…
Congratulation to Summer who submitted this photo of acorns that she took on the Spring Canyon Trail. 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. As long as the object is within COSCA property, it qualifies. Read more…
We’re only two weeks into the 2025 Challenge and participants have already submitted dozens of great photos! Here are some of them. If you would like to join the fun, check out the details on our Conejo Open Space Challenge page!
The subject of the Spring Four Seasons contest is wildflowers. This contest runs until May 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 Read more…
Unhappily, COSCA is postponing the Annual Conejo Spring Trail Work Day because of the rain that is forecast for this week. The trail in not expected to dry out enough for travel by Saturday. The work day will be rescheduled, and we’ll let you know when the details are available. We’ll be working on the center section of Los Robles Read more…
Highlights Two routes are described here, an easy one of 2.3 miles with roughly 300′ of climbing, and a longer one of 4.1 miles with roughly 700′ of climbing For Dos Vientos residents, there are several nearby trailheads for easy access The trails climb up above the neighborhoods so you can see over them to view the mountains in the Read more…
Highlights This is a moderate hike of 5.8 miles with 700′ of climbing. You will see all the geographic areas of the region – the grasslands of the Western Plateau, verdant Hawk Canyon and more distant volcanic cliffs and mountains. It’s lots of fun on a mountain bike. The Hill Canyon Trail and Peninsula Loop Trail are segments of the Read more…
Highlights This is a moderate-easy hike of 4.0 miles with 800′ of climbing. It goes through some of the most beautiful sections of the park. The Eagle Point Trail is a remote trail that gets few visitors despite the beautiful surroundings. Most of the route is along less frequently used trails so you will be able to enjoy quiet solitude. Read more…
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 Read more…
"Oaks in Peril,"
learn about the danger posed by the invasive goldspotted Oak Borer beetle.
A virtual presentation by
Cal Fire plant pathologist
Kim Corella
on Wednesday April 16 at 7:00 pm.