Sula: Green Beryl Rockhounding in Ravalli County, Montana

Updated June 2026

Sula is a mapped rockhounding spot in Ravalli County, Montana. Reported finds include green beryl. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Sula in Ravalli County, Montana

Quick details

Access
Public area
State
Montana

Geology at Sula

This spot sits on Missoula Group through Prichard Formation, metamorphosed, undivided, mapped as biotite-muscovite metaquartzite that formed roughly 1600 to 1000 million years ago. Metamorphic belts like this often host pegmatite dikes, the coarse-crystal bodies that typically carry beryl, tourmaline, and sheet mica.

Mapped unit
Missoula Group through Prichard Formation, metamorphosed, undivided
Age
1600–1000 Ma (Mesoproterozoic)
Rock types
biotite-muscovite metaquartzite
Elevation
4,830 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.

Best time to visit Sula

Best months: March to October. Typical highs run 81°F in midsummer and 33°F in midwinter, with winter lows near 12°F.

Climate normals: NOAA 1991-2020 monthlies, SULA 2 SE (SULA RS) station (4 mi away), adjusted for elevation.

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.

Sources & 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:

Found at Sula

Each chip 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 Sula.

Across the state line from Sula

Sula is close enough to the Montana border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Sula FAQ

Where is Sula?+
Sula is in Ravalli County, Montana, at 45.86880, -113.98202.
What rocks and minerals can you find at Sula?+
Sula is reported to produce Green Beryl.
Is collecting allowed at Sula?+
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. Always confirm current rules with the managing agency before a trip.
What tools should I bring to Sula?+
A rock hammer, a pry bar, gloves, and safety glasses suit pegmatite ground. Work weathered zones and check dump piles; coarse crystals often sit in decomposed rock.
When is the best time to visit Sula?+
The most comfortable months at Sula are March to October.
How do I get to Sula?+
Open the directions link to navigate to 45.86880, -113.98202 in Google Maps. Some spots are remote, so check road conditions before driving out.

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