Fra Cristobal Range: Agate & Jasper Rockhounding in Sierra County, New Mexico
Updated July 2026
Fra Cristobal Range is a mapped rockhounding spot in Sierra County, New Mexico. Reported finds include agate, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Fra Cristobal Range in Sierra County, New Mexico
Quick details
- Access
- Permission required
- County
- Sierra County
- State
- New Mexico
- Coordinates
- 33.40030, -107.12027
Geology at Fra Cristobal Range
This spot sits on granitic plutonic rocks, mapped as granitic and gneiss that formed roughly 1800 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
- granitic plutonic rocks
- Age
- 1800–1600 Ma (Paleoproterozoic)
- Rock types
- granitic and gneiss
- Elevation
- 5,180 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 Fra Cristobal Range
Best months: August to May. Typical highs run 92°F in midsummer and 54°F in midwinter, with winter lows near 28°F.
Climate normals: NOAA 1991-2020 monthlies, TRUTH OR CONSEQUENCES MUNI AP station (14 mi away), adjusted for elevation.
Land & collecting status
Permission required before collecting
Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.
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:
- Rockhound State Park — Collection rules
- BLM New Mexico
- New Mexico Bureau of Geology and Mineral Resources
- Community submissions reviewed against published agency rules
Found at Fra Cristobal Range
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 Fra Cristobal Range.
- Elephant ButteSierra County, New Mexico · 16 mi awayAgate, Chert, Chalcedony
- Jornada ValleySierra County, New Mexico · 19 mi awayAgate, Chalcedony, Elixirite
- Mud Springs MountainsSierra County, New Mexico · 19 mi awayAgate, Opalized Wood, Silicified Wood
- CutterSierra County, New Mexico · 24 mi awayJasper
- Caballo MountainsSierra County, New Mexico · 34 mi awayAzurite, Chalcocite, Chalcopyrite
- Mockingbird GapSocorro County, New Mexico · 40 mi awayJasper
- DerrySierra County, New Mexico · 43 mi awayChert
- HillsboroSierra County, New Mexico · 44 mi awayRhyolite
