Agency-listedUSFSUnpriced · confirmRoad season: open (MVUM)

Big Therriault Lake Campground

Drive-up · U.S. Forest Service · MT · 48.93641, -114.87844
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U.S. Forest Service lists this as a developed campground. Expect marked sites, a fee station or a reservation, and the usual campground rules. The dispersed-camping freedom of the surrounding forest does not apply inside it. What changes is conditions — roads, gates, closures, fire rules. Check those with the unit before you commit to the drive.
Nearest road on the Forest Service MVUM — Big Therriault Lake Campground · Kootenai National Forest · MT

The nearest road on the Forest Service MVUM is FR 7116 (Big Therriault Lake), 60 ft from the pin. The MVUM lists it as crushed aggregate or gravel surface and maintenance level 3 – suitable for passenger cars.

Road season: open (MVUM) The MVUM lists FR 7116 (Big Therriault Lake), 60 ft from the pin, open to passenger vehicles year-round.
MVUM record for FR 7116 (Big Therriault Lake): “01/01-12/31” Read against the calendar on 2026-09-22; with JavaScript your browser re-checks it against today.

From the Forest Service's own Motor Vehicle Use Map roads layer (EDW, Clearinghouse refresh Aug 30, 2026), straight-line from the pin to the nearest mapped segment. The nearest segment is not necessarily the way in, a maintenance level is the agency's class and not a report on today, and a road's season is the road's — it is not a campground order. What the levels mean → What an MVUM is →

USGS topo — contours & terrain
USGS topographic map of Big Therriault Lake Campground
Aerial — USGS / NAIP
Aerial image of Big Therriault Lake Campground
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Weather outlook — at Big Therriault Lake Campground
Loading the latest forecast…
Live NWS area forecast (~2.5 km grid, not elevation-corrected). Camp sits at 5,547 ft.
Fire & smoke — around Big Therriault Lake CampgroundNIFC · 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 Big Therriault Lake Campground · Kootenai National Forest · MT

▲ your camp. Rings are 15, 30 and 60 straight-line miles; bearings are approximate and roads run longer.
Nearest of each
  • MMechanic8 mi
  • GGrocery8 mi
  • LLaundry9 mi
  • @Mail9 mi
  • FFuel9 mi
  • DDump13 mi
  • WWater28 mi
  • +Urgent care44 mi
  • OOutfitter44 mi
  • HHardware44 mi
  • EVEV fast charger46 mi
  • RxPharmacy49 mi
  • ShShower50 mi
≤30 mi30–4545+water

The read: water is a real 28-mi drive, fuel & food sit about 8 mi out, the nearest EV fast charger is a 46-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 — Big Therriault Lake Campground

Access
Drive-up
Land
U.S. Forest Service
Elevation
5,547 ft
Ground slope
8.6% · noticeable
Nearest rail line
~8.1 mi · main line
State
MT
Coordinates
48.93641, -114.87844
Cost
Unpriced — no source gives a price; assume it may cost something and confirm before you go

Nearby & resupply — around Big Therriault Lake Campground · Kootenai National Forest · MT (OpenStreetMap)

  • Water featureBig Therriault Lake · ~0.1 mi · USGS: perennial lake or pond
  • Nearest townTobacco · ~8.5 mi
  • Nearest rail line~8.1 mi · main line
  • Nearest highwayno interstate or US route within 10 mi
  • Drinking waternone within 10 mi
  • FuelConoco · ~12.5 mi
  • Propane / LPGnone within 31 mi
  • Dump station~13.2 mi
  • GroceriesWatson's Market · ~8.4 mi

EV charging — from Big Therriault Lake Campground · Kootenai National Forest · MT — nearest public DC fast & Level 2 (US DOE station data)

Nearby restrooms — around Big Therriault Lake Campground · Kootenai National Forest · MT — pit toilets, restrooms & rest areas (government data)

Coming out here — Big Therriault Lake Campground · Kootenai National Forest · MT

Open Big Therriault Lake Campground elsewhere

Other camps near Big Therriault Lake Campground

If this one is full, gated or washed out.

The unit that manages Big Therriault Lake Campground

Stay limits, road closures and fire restrictions at Big Therriault Lake Campground are set by Kootenai National Forest, not by the campsite — check there before you go.

Snow, and when this opens

The nearest automatic snow station is Stahl Peak at 6,040 ft, about 2 miles away. It sits about 493 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 — Big Therriault Lake Campground

Source
OpenStreetMap contributors
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.
Agency page
fs.usda.gov — the land manager's own page for this site. Fees, seasons and closures are stated there first; if it disagrees with this page, it wins.
How it was placed
auto: drive (road/trail right there)
Nearest MVUM road
US Forest Service Motor Vehicle Use Map roads layer (EDW_MVUM_01, layer 1), Clearinghouse refresh Aug 30, 2026. Straight-line distance from the pin to the nearest mapped segment within 1 mi; surface type, maintenance level and open dates are the agency's own values for that segment, expanded from its codes and otherwise unedited. Nothing here says which road reaches the site.
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 Big Therriault Lake Campground

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 — Big Therriault Lake Campground

Is this page wrong about Big Therriault Lake Campground?

This page was built from a public land record, not from a visit. If you have actually pulled in here and it does not match, that is worth more than anything we can read off a map. Tell Dave what is off — it goes to him, not onto the page.

What did you find? Tick anything that fits.

A reader report is not a fact, and this one will not change a word of this page by itself. Dave reads it and checks it against the agency’s own record, because that record is what this site says. If reader reports are ever shown here they are labelled “reader report, unverified” with the date, and they are never merged into the agency fields.