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Come search for evidence that animals leave behind in OC Parks’ Irvine Ranch Open Space. Mule deer, bobcats, coyotes and even mountain lions call this hidden canyon home. Gain the basic tracking techniques as we search for evidence such as...

Date:
Sat, 03/14/2026
Time:
8:00 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
1 miles
Minimum Age:
12

Irvine Ranch Conservancy Volunteer supported Bird Point Count Limestone Loop #2 Counted all the birds from the Spur gate to the first point (traveling count). – Do stationary 5-minute counts at each of the point count locations (stationary count). –...

Date:
Fri, 01/30/2026
Time:
6:45 am - 11:45 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
8 miles
Minimum Age:
18

Spend your morning helping to remove weeds and rebuild berms within the butterfly habitat islands in Limestone. With your help we will be able to maintain “islands” of host and nectar plants for butterflies in decline in Limestone Canyon. You...

Date:
Tue, 02/03/2026
Time:
9:00 am - 12:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18