Agency-listedUSFSFeeOpen todayRoad season: open (MVUM)
Big Trinity Lake Campground
Drive-up · U.S. Forest Service · ID · 43.62587, -115.43281
Ask an AI about this campsiteOpens Grok already loaded with this site. It reads the same records this page is built from, and links whatever it tells you.
Ask about this camp →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.
Can I go now? — Big Trinity Lake Campground · Boise National Forest · ID
Open today Season Jul 15 – Oct 31 (about). Closes after Oct 31. The record adds conditions — read it.
U.S. Forest Service record: “Mid-July - End of October (unless closed by snow)” Read against the calendar on 2026-09-22; with JavaScript your browser re-checks it against today.
Nearest road on the Forest Service MVUM — Big Trinity Lake Campground · Boise National Forest · ID
The nearest road on the Forest Service MVUM is FR 129E (Big Trinity Cg), 10 ft from the pin. The MVUM lists it as native material surface and maintenance level 3 – suitable for passenger cars.
Road season: open (MVUM) The MVUM lists FR 129E (Big Trinity Cg), 10 ft from the pin, open to passenger vehicles Jul 15 – Oct 31. That season ends after Oct 31.
MVUM record for FR 129E (Big Trinity Cg): “07/15-10/31” 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
Aerial — USGS / NAIP
Weather outlook — at Big Trinity Lake Campground
Loading the latest forecast…
Live NWS area forecast (~2.5 km grid, not elevation-corrected). Camp sits at 7,879 ft.
Fire & smoke — around Big Trinity 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 Trinity Lake Campground · Boise National Forest · ID
▲ your camp. Rings are 15, 30 and 60 straight-line miles; bearings are approximate and roads run longer.
Nearest of each
- GGrocery9 mi
- FFuel11 mi
- DDump19 mi
- ShShower19 mi
- WWater24 mi
- @Mail24 mi
- EVEV fast charger35 mi
- MMechanic36 mi
- RxPharmacy36 mi
- +Urgent care36 mi
- HHardware37 mi
- LLaundry38 mi
- OOutfitter39 mi
- AAir-up44 mi
≤30 mi30–4545+water
The read: water is a real 24-mi drive, fuel & food sit about 9 mi out, the nearest EV fast charger is a 35-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 Trinity Lake Campground
Access
Drive-up
Land
U.S. Forest Service
Elevation
7,879 ft
Ground slope
21.4% · steep
State
ID
Coordinates
43.62587, -115.43281
Cost
Fee
Nearby & resupply — around Big Trinity Lake Campground · Boise National Forest · ID (OpenStreetMap)
- Water featureBig Trinity Lake · ~0.1 mi · USGS: perennial lake or pond
- Drinking waternone within 10 mi
- FuelFuel · ~11.4 mi
- Propane / LPGnone within 31 mi
- Dump station~18.6 mi
- GroceriesKelly's Trading Post · ~8.9 mi
- Rail & highwaynone mapped within 10 mi
EV charging — from Big Trinity Lake Campground · Boise National Forest · ID — nearest public DC fast & Level 2 (US DOE station data)
- Nearest public DC fast charger35.2 mi straight-line SW — Mountain Home, ID - Tesla Supercharger (at a gas station) · Tesla · NACS (Tesla) · 8 fast ports listed · listed open, last confirmed by AFDC 2026-06-18 · hours: 24 hours daily. NACS partner enabled. · directions
- Public DC fast stations within reachnone within 25 mi · 15 within 50 · 43 within 100 · 52 within 150
- Nearest listing CCS35.9 mi — Walmart 2782 (Mountain Home, ID), Mountain Home
- Nearest listing CHAdeMO35.9 mi — Walmart 2782 (Mountain Home, ID), Mountain Home
- Nearest public Level 2 (J1772)32.9 mi — STAGE STOP BOISE · ChargePoint Network · J1772 · 2 Level 2 ports listed · listed open, last confirmed by AFDC 2026-09-16 · hours: 24 hours daily
- Pricing at the fast chargernot listed
- Power (kW)not listed by AFDC — “DC fast” spans roughly 24 to 350 kW, so ask the network.
- Read this honestlyStraight-line miles, like every distance on this site. Roads run longer than this, and you have to get back. We know where a charger is listed. We don’t know if it works today, how fast it is, or the road miles. Check the network before you commit.
Snapshot 2026-09-16 · AFDC record 398000 · US DOE Alternative Fuels Data Center
Nearby restrooms — around Big Trinity Lake Campground · Boise National Forest · ID — pit toilets, restrooms & rest areas (government data)
- Vault / pit toiletBig Trinity Lake Campground · at this camp · USFS
- Vault / pit toiletLittle Roaring River Lake Campground · ~0.5 mi W · USFS
- Vault / pit toiletBig Roaring River Lake Campground · ~0.7 mi SW · USFS
- Vault / pit toiletTrinity Warming Hut · ~2.7 mi NE · USFS
Coming out here — Big Trinity Lake Campground · Boise National Forest · ID
- Surface water mapped nearby: USGS maps Big Trinity Lake as a perennial lake or pond, ~0.1 mi from the pin (National Hydrography Dataset, data refreshed October 2022). Mapped as perennial is not the same as flowing today. Nobody has checked it for you. Filter or boil anything you drink.
- Ground slope around the pin: about 21.4% — steep. Measured on USGS's 3DEP elevation model (1 m data here), sampled every 10 metres around the point. That is the hillside, not the ground under your wheels — a graded pullout or a bench a few metres across is too small to show up at that spacing, and nobody has checked this one for you.
- No rail line and no interstate or US route is mapped within 10 mi of the pin. Checked against the FRA/BTS North American Rail Network (data updated Jul 21, 2026) and the Census's TIGER/Line primary roads (TIGER/Line 2025, released Oct 2025). Both are national files and both are maps of what is built, not counts of what moves on it.
- Power: Dave carries his own — batteries or solar. A generator will run your rig and it is also the thing everybody camped near you can hear.
- Getting online: Dave recommends Starlink. He has had it since SpaceX introduced it, used it for four years living on the road, and it delivers as promised — several hundred nights out, and he can count on one hand the places he could not connect. The cable on his unit runs 150 feet, which is usually all it takes to find enough sky. Starlink → Referral link — Starlink pays Dave $100 in cash if you sign up through it, and that money funds this site and the next trip. It costs you nothing and does not change the recommendation.
Open Big Trinity Lake Campground elsewhere
Other camps near Big Trinity Lake Campground
If this one is full, gated or washed out.
- Little Roaring River Lake Campground~0.5 mi
- Big Roaring River Lake Campground~0.7 mi · fee
- Elks Flat Campground~9.2 mi · fee
- Dog Creek Campground~9.4 mi · fee
The unit that manages Big Trinity Lake Campground
Stay limits, road closures and fire restrictions at Big Trinity Lake Campground are set by Boise National Forest, not by the campsite — check there before you go.
Snow, and when this opens
The nearest automatic snow station is Trinity Mtn. at 7,790 ft, less than a mile away. That is about the height of this camp, so it is a fair proxy. 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 Trinity Lake Campground
Open season
Mid-July - End of October (unless closed by snow)
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
Developed FEE campground (not free) - review | auto:usfs-fee 2026-08-20: US Forest Service developed campground, agency coordinates, agency states a fee. No dollar amount in the agency record -- expect a charge and confirm the current rate before you go. Not field-verified. | Fee 2026-08-22: $10 per night, single site. No recreation.gov listing. Source: https://www.fs.usda.gov/r04/boise/recreation/big-trinity-lake-campground (page last updated July 15, 2026). || Water: Boise National Forest's own site page for Big Trinity Lake Campground, https://www.fs.usda.gov/r04/boise/recreation/big-trinity-lake-campground (read 2026-08-24; page "Last updated" July 15, 2026), "Facility and Amenity Information > Water": "Potable water is available at this site.". Corroborated by the USFS EDW Recreation Sites layer (apps.fs.usda.gov/arcx/rest/services/EDW/EDW_RecInfraRecreationSites_02/MapServer/0, re-queried live 2026-08-24 for SITE_ID 6113 / MANAGING_ORG 040201), WATER_AVAILABILITY = "Yes, drinking water is available from a hand pump". Page "Seasons of Use": "Mid-July - End of October (unless closed by snow)" -- that is the season of the SITE, not a statement about when the water is turned on. Channels agree; nightshift fire 1680.
Season
Read from the agency's own season / closure text in this record (data/conditions.py) and checked against the calendar. The words we read are printed under the verdict at the top of the page.
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 Trinity 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.
- Whether that MVUM road is the way in, and the last stretch beyond it
- How many rigs actually fit
- Cell coverage by carrier
- Current fire restrictions
- Whether any water here is drinkable
- Shade & wind exposure
- Noise and who else shows up
- Whether a listed EV charger works today, or the road miles to it
Before you go — Big Trinity Lake Campground
When the high country opens →Winter vs summer roads →Camping near a reservoir →How to read this page →All field notes →