DIAMOND LAKE CAMPGROUND
This is a primitive, undeveloped trailhead camping area. Access depends on road conditions along Forest Road 7843, which may be impassable due to snow during winter and early spring months.
Air Quality Alert issued August 10 at 7:30AM MDT by NWS Great Falls MT
AQAMT The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Broadwater, Deer Lodge, Flathead, Gallatin, Granite, Jefferson, Lake, Lewis and Clark, Lincoln, Madison, Mineral, Missoula, Park, Powell, Ravalli, Silver Bow, Sweet Grass, Sanders, Yellowstone counties in effect until 9AM on 08/11/2026 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. Elevated particulate levels from wildfire smoke As of 7AM on 08/10/2026, particulate levels in Columbia Falls, Frenchtown, Libby and Missoula are Unhealthy. As of 7AM on 08/10/2026, particulate levels in Billings, Dillon, Great Falls, Helena and Thompson Falls are Unhealthy for Sensitive Groups. As of 7AM on 08/10/2026, particulate levels in Butte, Cut Bank, Hamilton, Lewistown and Sleeping Giant are Moderate. When air quality is Unhealthy... State and local health officials recommend that people with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. When air quality is Unhealthy for Sensitive Groups... State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion. When air quality is Moderate... State and local health officials recommend that unusually sensitive people should consider reducing prolonged or heavy exertion. For more information visit the Montana Department of Environmental Quality at http://todaysair.mtdeq.us
Northern Region Camping & Target Restrictions, Pallet Prohibition
This order defines the maximum length of occupation at a single location or cumulatively at any number of locations within a calendar year, within the states of Montana, North Dakota, South Dakota, and Idaho
Weed Free Forage & Mulch Products Order for the Northern Region
It is illegal to possess, store or transport straw, hay, grain, seed or other forage or mulch products on Forest Service lands without documentation that the product is certified as “weed free” by a state certification process that meets or exceeds the North American Weed Free Forage standards.
About
Diamond Lake is a primitive camping area located in the Bitterroot Range within Lolo National Forest, Mineral County, Montana. The site serves primarily as the trailhead for Cliff Lake Trail #100, which begins at the old road bridge on the north side of Diamond Lake. The undeveloped area offers parking for approximately 5-6 vehicles and a vault toilet. The setting provides scenic views of Diamond Lake, Torino Peak, and Eagle Cliff from an open point at the west end of the lake. This is a pack-it-in, pack-it-out area with no potable water, trash service, or developed amenities. Campers should be self-sufficient and prepared for backcountry conditions. Access is via Forest Road 7843 (Diamond Lake Road), reached by taking Interstate 90 to Dry Creek exit #43, turning south on Frontage Road 69, following Dry Creek Road 342 west for 9.5 miles, then turning south on Diamond Lake Road for 4.1 miles. Road conditions may limit access during winter and early spring.
Directions
From Interstate 90, take the Dry Creek exit (#43). Turn south on Dry Creek Frontage Road 69 and follow it to the junction with Dry Creek Road 342. Turn west onto Dry Creek Road and drive 9.5 miles to the junction with Diamond Lake Road 7843. Turn south and drive 4.1 miles to Diamond Lake.
Amenities
| Water | No |
| Fires Allowed | — |
| Toilets | Yes |
| Dump Station | No |
| Wifi | No |
| Pets Allowed | — |
| Showers | No |
| Electric Hookups | — |
| Water Hookups | — |
| Sewer Hookups | — |
| Camp Store | No |
Vehicle
| Max RV Length | — |
| Max Trailer Length | — |
| Big Rig Friendly | No |
| Pull Through Sites | — |
Contact
| Phone | +1 (406) 822-4233 |
Cell Service
| AT&T | None |
| Verizon | None |
| T-Mobile | None |
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