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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Serpentine Trail

Ends at Calavera Lake

0.7 mi loop · 95 ft gain · 356 ft high point · Easy

California · OpenStreetMap contributors

About Elevation Highlights Map More hikes

About this hike

This loop reaches Calavera Lake and Calavera Mountain over 0.7 miles.

Elevation

95 ft of gain around the loop.

More hikes nearby

Ranked the same way, within twenty-five miles.

24 mi from you
Palomar Magee
- Passes Agua Tibia Mountain
- Inside Agua Tibia Wilderness
- 1,135 ft of climbing
5.9 mi out & back · 1,135 ft gain · Moderate
Agua Tibia Wilderness · Camp 4 mi away

Elevation along the trail from the start. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Calavera LakeDestination · 0.2 mi in
Calavera MountainNearby · 0.3 mi in

Nearby reading

Cerro de la Calavera
Rancho Agua Hedionda
Sage Creek High School
Tri-City Medical Center

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 0.7 mi
Shape: Loop
Gain: 95 ft
High point: 356 ft
Low point: 260 ft
Difficulty: EasyFrom 0.7 mi and 95 ft of climbing
Managed by: OpenStreetMap contributors
State: California
Camps within 15 mi: 0
Trailhead: 33.1711° N · 117.2772° W

Get directions Open the map

1 mi from you

Solar Walk

Ends at Calavera Lake

2.3 mi out & back · 162 ft gain · Easy

California

Viewpoint Trail

Ends at Calavera Lake

0.6 mi out & back · 20 ft gain · Easy

California

Lake Loop Trail

Ends at Calavera Lake

1.7 mi out & back · 206 ft gain · Easy

California

Oak Riparian Loop Trail

Ends at Calavera Lake

1.4 mi loop · 104 ft gain · Easy

California

Clark

Inside San Mateo Canyon Wilderness
4,850 ft of climbing

10.7 mi out & back · 4,850 ft gain · Very hard

San Mateo Canyon Wilderness · Camp 8 mi away

More like this

Hikes that read like this one, wherever they are.

Lake Loop Trail
- Ends at Calavera Lake
1.7 mi out & back · 206 ft gain · Easy
California
Viewpoint Trail
- Ends at Calavera Lake
0.6 mi out & back · 20 ft gain · Easy
California
Monkey Flower Trail
- Near Calavera Mountain
1.0 mi loop · 205 ft gain · Easy
California
Solar Walk
- Ends at Calavera Lake
2.3 mi out & back · 162 ft gain · Easy
California

Weather

7-day forecast

Fri70°59°Slight Chance Light Rain
Sat71°60°Cloudy
Sun68°55°Rain Showers
Mon72°57°Sunny
Tue75°56°Sunny
Wed71°56°Slight Chance Rain Showers
Thu71°Mostly Sunny

Fri: Slight Chance Light Rain · wind 0 to 5 mph S

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Good
AT&T5G · Poor
T-Mobile5G · Excellent

FCC coverage data · signal varies in remote terrain