Neihart: Galena & Polybasite Rockhounding in Cascade County, Montana
- Minerals reported
- 4
- Elevation
- 6,740 ft
- Best months
- April to October
Neihart is a mapped rockhounding spot in Cascade County, Montana. Reported finds include galena, polybasite, silver, sphalerite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Generally open to casual rockhounding
- County
- Cascade County
- State
- Montana
- Nearest road
- Rock Creek Road
- Postcode
- 59465
- Coordinates
- 46.94575, -110.72403
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Best time to visit Neihart
Comfortable months (45 to 90°F highs)
Best months: April to October. Typical highs run 76°F in midsummer and 32°F in midwinter, with winter lows near 11°F.
Climate normals: NOAA 1991-2020 monthlies, NEIHART 8 NNW station (7 mi away), adjusted for elevation.
Geology at Neihart
This spot sits on Pinto Diorite, mapped as diorite that formed roughly 2500 to 1600 million years ago. Plutonic rock like this weathers slowly into grus and boulders, and the most productive collecting is typically in weathered zones and drainages.
- Mapped unit
- Pinto Diorite
- Age
- 2500–1600 Ma (Paleoproterozoic)
- Rock types
- diorite
- Elevation
- 6,740 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Today's weather
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Get the appSources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- BLM Montana, Recreational mineral collecting
- Montana Bureau of Mines and Geology
- Gem Mountain Sapphire Mine (fee-dig operator)
- Community submissions reviewed against published agency rules
Found at Neihart
Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Neihart.
- Narrow Gauge GulchCascade County, Montana · 2 mi awayPyromorphite
- MonarchCascade County, Montana · 11 mi awayBeryl
- Yogo GulchJudith Basin County, Montana · 13 mi awayGold, Ruby, Sapphire
- White CreekMeagher County, Montana · 39 mi awayCopper
- Confederate GulchBroadwater County, Montana · 45 mi awayGold
- Magpie GulchLewis and Clark County, Montana · 48 mi awayGreen Sapphire
- Spokane Bar Sapphire MineLewis and Clark County, Montana · 55 mi awayGold, Sapphire
- Missouri RiverLewis and Clark County, Montana · 56 mi awayCassiterite, Chalcedony, Garnet
Neihart FAQ
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More rockhounding in Montana
See all 106 Montana spots →
Open Neihart on the map
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