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Come enjoy and learn about the bounty of the local flora and fauna. We will talk about how the animals and early settlers of the area survived and thrived with what nature has to offer. We will discuss how over-grazing, weather, and...

Date:
Sun, 05/03/2026
Time:
9:00 am - 11:00 am
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
8

IRC staff, local butterfly enthusiasts, and experts continue to monitor IRC’s butterflies every month! We will be recording number and types of butterflies encountered along the trails of Limestone Canyon. Our butterfly count will provide a benchmark estimate of diversity...

Date:
Sun, 05/03/2026
Time:
8:00 am - 1:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
0 miles
Minimum Age:
18

We start our ride through OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road, the extension of Jeffrey Rd north of Portola Pkwy. As we warm up on the climb to the top of the road, we...

Date:
Sun, 05/03/2026
Time:
7:30 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
16 miles
Minimum Age:
18