Spectrum Sunstone Mine: Oregon Sunstone Rockhounding in Klamath County, Oregon

Quick details

Access

Paid / fee dig

County

Klamath County

State

Oregon

Coordinates

43.17600, -121.44500

Geology at Spectrum Sunstone Mine

This spot sits on surficial deposits; Alluvial deposits, mapped as outwash sand, gravel, and outwash silt that formed within roughly the last 3 million years. Volcanic ground like this weathers into rocky slopes and float, and fresh exposures in cuts and drainages are usually the most productive places to look.

Mapped unit

surficial deposits; Alluvial deposits

Age

3 Ma to present (Quaternary)

Rock types

outwash sand, gravel, and outwash silt

Elevation

4,960 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 Spectrum Sunstone Mine

Best months: March to October. Typical highs run 82°F in midsummer and 37°F in midwinter, with winter lows near 15°F.

Climate normals: NOAA 1991-2020 monthlies, CHEMULT station (18 mi away), adjusted for elevation.

Land & collecting status

Pay-to-dig site

This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.

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: April 1, 2026

• BLM Oregon/Washington — Rockhounding & mineral material
• Oregon Department of Geology and Mineral Industries (DOGAMI)
• Oregon Parks and Recreation Department — beach collecting rules
• Community submissions reviewed against published agency rules

Found at Spectrum Sunstone Mine

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

• Oregon Sunstone