Rockhounding in Saguache County, Colorado: 2 Spots & Minerals

Standouts in Saguache County

Hand-picked spots in Saguache County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Del Norte Thunder Egg Beds
Public
Saguache County
The thunderegg beds northwest of Del Norte have yielded plume and moss agate from rhyolite flows since the late 1800s, with chalcedony, common opal, and quartz-lined cavities documented at the locality. The beds lie on Rio Grande National Forest and adjacent BLM land at the south end of the La Garita Mountains. Plume agate is the signature material.
Plume Agate, Moss Agate, Chalcedony, Common Opal
Top pick
Crystal Hill
Public
Saguache County
Crystal Hill near La Garita is documented by the USGS as a source of clear rock crystal and pale lavender amethyst in brecciated volcanic rock, a San Luis Valley collecting site worked since the 1880s. The BLM reclaimed the old mine workings around 2009 and allows public collecting on the reclaimed ground. Smoky quartz and manganese oxides occur in the same host.
Amethyst, Quartz, Smoky Quartz

Spots in Saguache County

Spot	Minerals	Coordinates	Access
Crystal Hill	Amethyst Quartz Smoky Quartz	37.8433, -106.2848	Public
Del Norte Thunder Egg Beds	Plume Agate Moss Agate Chalcedony Common Opal Quartz	37.7615, -106.4481	Public

Neighboring counties in Colorado

Adjacent rockhounding counties, ranked by how close their centroids sit to Saguache County. A natural extension if Saguache County is already on your trip plan.

Saguache County FAQ

Where can I rockhound in Saguache County, Colorado?+

RockHoundR tracks 2 rockhounding spots in Saguache County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Saguache County?+

Spots in Saguache County most often produce Quartz, Amethyst, Chalcedony, Common Opal, Moss Agate. Individual spots can vary widely.

Are these Saguache County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Saguache County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.

Rockhounding in Saguache County, Colorado

Saguache County rockhounding photos

Minerals reported in Saguache County