A bird sitting on a nest of eggs.

Hiking Near Union City, 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.

Stanford Dish: Ranch Road via Piers Gate

Hike Route

Stanford Dish: Ranch Road via Piers Gate

Family Friendly
moderate
2.26 mi
+338 ft
Eagle Peak Out and Back

Hike Route

Eagle Peak Out and Back

Views
strenuous
4.17 mi
+1,465 ft
Stream Trail Out-and-Back

Hike Route

Stream Trail Out-and-Back

Birding
moderate
1.72 mi
+75 ft
Water Dog Loop Trail

Hike Route

Water Dog Loop Trail

Views
moderate
3.15 mi
+614 ft
Ridgeline Loop

Hike Route

Ridgeline Loop

Lake
moderate
4.81 mi
+598 ft
Water Dog Lake Park

Hike Route

Water Dog Lake Park

Family Friendly
easy
1.68 mi
+208 ft
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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.

Coyote Hills Half Marathon Loop

Hike Route

Coyote Hills Half Marathon Loop

Birding
moderate
12.26 mi
+145 ft
Mission Peak to Monument Peak

Hike Route

Mission Peak to Monument Peak

Fall Colors
strenuous
18.08 mi
+5,018 ft
East Bay Skyline National Recreation Trail

Hike Route

East Bay Skyline National Recreation Trail

Views
extreme
32.1 mi
+6,161 ft
Rose Peak via McCorkle Trail + Ohlone Wilderness Trail

Hike Route

Rose Peak via McCorkle Trail + Ohlone Wilderness Trail

Views
extreme
18.37 mi
+4,770 ft
Ohlone Wilderness Loop

Hike Route

Ohlone Wilderness Loop

Views
extreme
11.76 mi
+3,234 ft
Joaquin Miller Park Loop

Hike Route

Joaquin Miller Park Loop

Wildflowers
extreme
11.84 mi
+2,784 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.

South Fork/Tolman Peak Loop

Hike Route

South Fork/Tolman Peak Loop

Birding
moderate
5.03 mi
+1,011 ft
Don Castro - Five Canyon Loop

Hike Route

Don Castro - Five Canyon Loop

Birding
moderate
5.27 mi
+999 ft
Monument Peak Summit Out and Back

Hike Route

Monument Peak Summit Out and Back

Birding
strenuous
9.45 mi
+2,629 ft
Ohlone Wilderness Trail / Hidden Valley Trail

Hike Route

Ohlone Wilderness Trail / Hidden Valley Trail

Birding
strenuous
6.19 mi
+2,122 ft
Lake Chabot Inner Loop

Hike Route

Lake Chabot Inner Loop

Lake
moderate
8.66 mi
+872 ft
Maguire Peaks Loop

Hike Route

Maguire Peaks Loop

Spring
moderate
5.83 mi
+1,544 ft