A bird sitting on a nest of eggs.

Hiking Near Ontario, California

Shorter Routes icon

Shorter Routes

These hikes keep it under 5 miles and climb less than 1,500 feet, making them ideal for quicker outings or lower-key days. Perfect for a morning stretch, a casual afternoon, or getting outside without committing to a big push. Don’t let the stats fool you — many still pack in great views and rewarding moments.

Gale Mountain Loop

Hike Route

Gale Mountain Loop

Birding
strenuous
4.35 mi
+855 ft
Etiwanda Falls

Hike Route

Etiwanda Falls

Birding
moderate
3.18 mi
+847 ft
East Four Corners Loop

Hike Route

East Four Corners Loop

Birding
moderate
4.94 mi
+781 ft
Jurupa Mountain - South Trail

Hike Route

Jurupa Mountain - South Trail

Less Crowded
moderate
3.72 mi
+1,192 ft
Jurupa Mountain - North Trail

Hike Route

Jurupa Mountain - North Trail

Views
moderate
2.48 mi
+1,138 ft
Olinda Oil Trail + Museum

Hike Route

Olinda Oil Trail + Museum

Views
easy
1.94 mi
+360 ft
Logo

Adventurous Routes

These routes go beyond 10 miles and are built for days when you want to cover more ground and push a little deeper. Expect longer distances, more effort, and bigger payoffs — whether that’s remote terrain, summit views, or a full-day challenge. Ideal for hikers looking to go farther and stay out longer.

Chino Hills State Park Loop

Hike Route

Chino Hills State Park Loop

Wildflowers
extreme
20.48 mi
+2,849 ft
Ontario Peak

Hike Route

Ontario Peak

Views
strenuous
11.72 mi
+3,907 ft
Ontario and Bighorn Peaks

Hike Route

Ontario and Bighorn Peaks

Views
extreme
13.69 mi
+4,307 ft
Telegraph/South Ridge Loop

Hike Route

Telegraph/South Ridge Loop

Views
strenuous
10.58 mi
+1,248 ft
Cucamonga Peak via Icehouse Canyon

Hike Route

Cucamonga Peak via Icehouse Canyon

Fall Colors
strenuous
11.18 mi
+4,204 ft
Icehouse to Cucamonga and Etiwanda Peaks

Hike Route

Icehouse to Cucamonga and Etiwanda Peaks

Spring
strenuous
15.21 mi
+4,689 ft

Other Nearby Routes

Not finding what you're looking for? These additional nearby hikes offer more ways to get outside and explore the area. With a mix of lengths, difficulty levels, and terrain, you're likely to find something that fits your plans for the day. And remember, you can always use the onX Route Builder to create your own adventure from scratch.

Bonelli Trail

Hike Route

Bonelli Trail

Lake
moderate
9.72 mi
+1,483 ft
South Ridge and Telegraph Canyon Loop

Hike Route

South Ridge and Telegraph Canyon Loop

Birding
moderate
6.75 mi
+924 ft
Timber Mountain

Hike Route

Timber Mountain

Birding
strenuous
8.35 mi
+3,344 ft
Lilac Trail

Hike Route

Lilac Trail

Less Crowded
moderate
5.31 mi
+1,175 ft
Big Mo Trail to Coal Canyon Waterfall

Hike Route

Big Mo Trail to Coal Canyon Waterfall

Less Crowded
easy
5.38 mi
+543 ft
Bridge to Nowhere / East Fork San Gabriel River Trail

Hike Route

Bridge to Nowhere / East Fork San Gabriel River Trail

moderate
9.49 mi
+1,202 ft