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Photo courtesy of OC Parks.
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Organization

OC Parks

The 26-facility county parks system includes the Irvine Ranch Open Space, comprising Limestone Canyon, Weir Canyon and Fremont Canyon nature preserves, as well as Black Star Canyon Wilderness Park.

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Location

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Upcoming Activities

Join us at Fremont Canyon Nature Preserve

Certificated Animal Behavior and Tracking Volunteers will be observing and analyzing tracks and scat found on and near the trails of Fremont Preserve and in Santiago Creek on the Landmarks. If you have attended the ABAT class and are a...

Date:
Sat, 08/16/2025
Time:
8:00 am - 1:00 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
18
Registration:
2 of 5 Spaces Left

Bring your horse and join us on the sage-scented trail up and down gentle hills. We will start from Irvine Park and proceed on the Irvine Regional Park Horseshoe Loop to Waterworks Trail that will take us under the towering...

Date:
Thu, 08/21/2025
Time:
9:00 am - 1:30 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
9 of 10 Spaces Left

Experienced mountain bikers can explore one of the most rugged and remote areas of OC Parks’ Irvine Ranch Open Space from the trails of Fremont Canyon Nature Preserve on this moderate-paced ride through Fremont, Blind, and Weir Canyons. Fremont Canyon...

Date:
Sat, 08/23/2025
Time:
8:00 am - 11:30 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
15 miles
Minimum Age:
16
Registration:
7 of 15 Spaces Left
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