Free — you'll pick up right here.

California

Thunder Mountain Loop

4.8 mi

Distance

1,453 ft

Gain

2h 37m

Time

No verdict for this trail

We won't guess. Here is exactly what we do and don't know.

What we do know

  • Inside Eldorado National Forest

    2 managing-area boundaries mapped — agency alerts for them feed this page automatically.

    Boundary data

What's missing

  • No access route mapped

    We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.

Nobody's filed a report here yet — be the first.

Why you'll love it

Part of Lake Margaret Trailhead

Here's your ride, mapped

Thunder Mountain Loop

AI-suggested draft · review before you go

Building your full AI plan…

Elevation & route

Distance
4.8 mi
Elevation gain
1,453 ft
Elevation loss
1,198 ft
Highest point
9,328 ft
Lowest point
7,963 ft

Gear for the day

Building your gear list…
More about this trail ↓

Photos

Directions & GPX

Get Directions

About this trail

Thunder Mountain Loop is a 4.76-mile trail in California's Lake Margaret Trailhead system with 1,820 feet of elevation gain. The trail forms a loop within the Lake Margaret Trailhead area and is managed by the Forest Service.

Permits & access

Managing agency
Forest Service

Add to a trip & share

Keep exploring — more rides worth the drive

Map and trail data © OpenStreetMap contributors

Guided trips nearby

Local operatorsoffering guided trips. You book directly with them — Roamze doesn’t take a cut.

West Shore Sports

Mountain Biking business nearby (~25 mi away) — hasn't claimed their Roamze page yet

View operator

Alpenglow Expeditions

Mountain Biking business nearby (~36 mi away) — hasn't claimed their Roamze page yet

View operator