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Irvine Ranch Open Space

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43 mi 70 km of trail 3 Featured Runs

Easy Trails 13 Trails Intermediate Trails 7 Trails Hard Trails 1 Trail
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Featured Runs in Irvine Ranch Open Space - 3

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Favorite Shady seating under a gorgeous California Live Oak tree
Intermediate

Whiting Ranch 20k

13.1 mi 21.1 km • Loop • 1,442 ft Ascent 439.42 m Ascent

(1) Foothil…, CA
Favorite A hill looking up from the trail.
Intermediate

Borrego Canyon to Vista Point

4.9 mi 7.8 km • Out and Back • 759 ft Ascent 231.22 m Ascent

(6) Foothil…, CA
Favorite The Sinks, OC's mini Grand Canyon, as seen from the Limestone Canyon Road.
Intermediate

Limestone Canyon Lollipop

10.0 mi 16.0 km • Out and Back • 799 ft Ascent 243.66 m Ascent

(2) North T…, CA

Trails in Irvine Ranch Open Space - 18

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0.6 mi 0.9 km #1Red Rock Canyon Trail
Easy/Intermediate
Foothill Ranch, CA
Easy/Intermediate
0.6 mi 0.9 km Foothill Ranch, CA 10 
1.6 mi 2.5 km #2Borrego Canyon Trail
Easy/Intermediate
Foothill Ranch, CA
Easy/Intermediate
1.6 mi 2.5 km Foothill Ranch, CA
4.0 mi 6.5 km #3Limestone Canyon Road
Easy
North Tustin, CA
Easy
4.0 mi 6.5 km North Tustin, CA
0.7 mi 1.2 km #4Billy Goat Trail
Intermediate
Foothill Ranch, CA
Intermediate
0.7 mi 1.2 km Foothill Ranch, CA
1.8 mi 2.9 km #5Dripping Springs
Intermediate
Foothill Ranch, CA
Intermediate
1.8 mi 2.9 km Foothill Ranch, CA
0.9 mi 1.4 km #6Line Shack Road
Intermediate/Difficult
Portola Hills, CA
Intermediate/Difficult
0.9 mi 1.4 km Portola Hills, CA
1.3 mi 2.0 km #7Dreaded Hill Road
Intermediate
Portola Hills, CA
Intermediate
1.3 mi 2.0 km Portola Hills, CA
8.9 mi 14.3 km #8Loma Ridge
Difficult
Foothill Ranch, CA
Difficult
8.9 mi 14.3 km Foothill Ranch, CA
4.0 mi 6.4 km #9Mustard Road
Intermediate
Portola Hills, CA
Intermediate
4.0 mi 6.4 km Portola Hills, CA
0.7 mi 1.1 km #10Santiago Ranch Road
Easy/Intermediate
Portola Hills, CA
Easy/Intermediate
0.7 mi 1.1 km Portola Hills, CA
13.3 mi 21.4 km #11Aliso Creek Bikeway
Easy
Portola Hills, CA
Easy
13.3 mi 21.4 km Portola Hills, CA
1.2 mi 1.9 km #12Edison Biking and Hiking Trail
Easy
Portola Hills, CA
Easy
1.2 mi 1.9 km Portola Hills, CA
1.0 mi 1.6 km #13Serrano Road
Easy
Foothill Ranch, CA
Easy
1.0 mi 1.6 km Foothill Ranch, CA
0.8 mi 1.4 km #14Whiting Road
Easy/Intermediate
Portola Hills, CA
Easy/Intermediate
0.8 mi 1.4 km Portola Hills, CA
1.0 mi 1.6 km #15Water Tank Road
Easy
Foothill Ranch, CA
Easy
1.0 mi 1.6 km Foothill Ranch, CA
0.4 mi 0.6 km #16Live Oak Trail
Easy
Portola Hills, CA
Easy
0.4 mi 0.6 km Portola Hills, CA
0.4 mi 0.7 km #17Serrano Cow Trail
Easy
Portola Hills, CA
Easy
0.4 mi 0.7 km Portola Hills, CA
0.7 mi 1.2 km #18Concourse Road
Easy/Intermediate
Portola Hills, CA
Easy/Intermediate
0.7 mi 1.2 km Portola Hills, CA

Photos of Irvine Ranch Open Space - 18

Trail Run Project is built by runners like you. Add Your Photos

Rock formations.
Nov 26, 2016 near Foothil…, CA
Red Rock Canyon.
Nov 26, 2016 near Foothil…, CA
Whiting Ranch.
Nov 26, 2016 near Portola…, CA
Whiting Ranch.
Nov 26, 2016 near Portola…, CA
Rock formations.
Nov 26, 2016 near Foothil…, CA
The Sinks, OC's mini Grand Canyon, as seen from the Limestone Canyon Road.
Oct 13, 2016 near Foothil…, CA
End of Coal Canyon trail, and looking into Fremont Canyon
Dec 23, 2017 near Corona, CA
Foothill Mariposa Lily - Calochortus weedii var. intermedius
Dec 23, 2017 near Corona, CA

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