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Non-native and invasive plant species are invading our native habitat and open spaces. They aggressively compete with our native plants for resources and spreads rapidly once established. Monitoring, management, and removal of these plant species is an important aspect of...

Date:
Wed, 06/17/2026
Time:
8:00 am - 11:00 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18

Join us for a tour to the dramatic sandstone outcrops known as “Mini Moab”. We’ll hike out-and-back along the high ridges overlooking Fremont Canyon. Along the way we’ll pass an abandoned coal mine, the Fremont Canyon Weather Station, and Lizard...

Date:
Wed, 06/17/2026
Time:
7:00 am - 2:00 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
14 miles
Minimum Age:
18

Join us for a fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County. This hike travels...

Date:
Tue, 06/16/2026
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16