Agency-listedUSFS · dispersedFree

Thompson01

Drive-up · U.S. Forest Service · MT · 46.51618, -111.21362
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U.S. Forest Service lists this site. On most of their ground you can camp away from developed sites pretty much anywhere — so treat this as a known-good spot, not the only one allowed. The unit sets stay limits and how far off road and water you must be. What changes is conditions — roads, gates, closures, fire rules. Check those with the unit before you commit to the drive.
USGS topo — contours & terrain
USGS topographic map of Thompson01
Aerial — USGS / NAIP
Aerial image of Thompson01
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Weather outlook — at Thompson01
Loading the latest forecast…
Live NWS area forecast (~2.5 km grid, not elevation-corrected). Camp sits at 6,299 ft.
Fire & smoke — around Thompson01NIFC · AirNow
Checking active fires & air quality…
Active wildfires from NIFC (within ~50 mi); air quality from AirNow. Always confirm current fire restrictions with the managing office before you go.

Everything you need — measured from Thompson01 · Helena-Lewis and Clark National Forest · MT

15 MI30 MI60 MIYOUR CAMPN ↑Water · 39 miWDump · 17 miDFuel · 15 miFMathis Food Farm · Grocery · 15 miGCastle Mountain Drug · Pharmacy · 15 miRxHardware Hanke · Hardware · 20 miHJ4 Automotive · Mechanic · 33 miMLaundry · 14 miLShower · 14 miShHelena VA Clinic · Urgent care · 36 mi+Sierra · Outfitter · 38 miOMail · 15 mi@Helena, MT - Tesla Supercharger · EV fast charger · 38 miEV
Straight-line miles · bearings approx · roads run longer
Nearest of each
  • LLaundry14 mi
  • ShShower14 mi
  • FFuel15 mi
  • @Mail15 mi
  • GGrocery15 mi
  • RxPharmacy15 mi
  • DDump17 mi
  • HHardware20 mi
  • MMechanic33 mi
  • +Urgent care36 mi
  • OOutfitter38 mi
  • EVEV fast charger38 mi
  • WWater39 mi
≤30 mi30–4545+water

The read: water is a real 39-mi drive, fuel & food sit about 15 mi out, the nearest EV fast charger is a 38-mi run (and back).

Not within 60 mi: Propane. Plan those before you head up.

One dot per need — the nearest of each kind, straight-line from camp. Places from OpenStreetMap (© OpenStreetMap contributors); the EV fast charger from the US DOE station locator. Open in Google Maps ↗

The site — Thompson01

Access
Drive-up
Land
U.S. Forest Service · dispersed
Elevation
6,299 ft
State
MT
Coordinates
46.51618, -111.21362
Cost
Free

Nearby & resupply — around Thompson01 · Helena-Lewis and Clark National Forest · MT (OpenStreetMap)

  • Nearest townSpringdale Colony · ~10.0 mi
  • Drinking waternone within 10 mi
  • FuelFuel · ~14.9 mi
  • Propane / LPGnone within 31 mi
  • Dump station~16.8 mi
  • GroceriesMathis Food Farm · ~15.0 mi
  • PharmacyCastle Mountain Drug · ~15.0 mi
  • HardwareHardware Hanke · ~19.9 mi

EV charging — from Thompson01 · Helena-Lewis and Clark National Forest · MT — nearest public DC fast & Level 2 (US DOE station data)

Nearby restrooms — around Thompson01 · Helena-Lewis and Clark National Forest · MT — pit toilets, restrooms & rest areas (government data)

Open Thompson01 elsewhere

Other camps near Thompson01

If this one is full, gated or washed out.

The unit that manages Thompson01

Stay limits, road closures and fire restrictions at Thompson01 are set by Helena-Lewis and Clark National Forest, not by the campsite — check there before you go.

Snow, and when this opens

The nearest automatic snow station is Boulder Mountain at 7,890 ft, about 5 miles away. It sits about 1,591 ft higher than this camp, so treat it as a guide rather than a reading for this spot. We do not repeat a depth here, because any number we stored would be stale by the time you read it — the station publishes today's.

How we know this — Thompson01

Source
U.S. Forest Service recreation data
Confidence
Likely — The record is good enough to put a pin on, but thin in places. Treat the details as a starting point, not gospel.
How it was placed
USFS/BLM authoritative: free & dispersed. Access not field-checked (assumed drive-up).
EV chargers
US DOE Alternative Fuels Data Center station locator, snapshot 2026-09-16. Straight-line miles to the nearest public, open, unrestricted station; restricted and planned units are shown but never counted.
Field check
On the agency's books. The land manager inventoried this site, so its existence is not in question — current conditions are. Nobody from here has camped it recently.

What we don’t know about Thompson01

A land record can put you within a few meters of a spot. It cannot tell you any of this — so check it yourself, and treat anything below as the open question it is.

Before you go — Thompson01

Been here? Tell us what changed. This page is built from public records, so the fastest way it gets better is somebody who has actually pulled in. Road washed out, site gone, gate locked, or it is exactly as described — all of it useful. Send a report →