Where to Find Tourmaline in South Dakota
3 mapped tourmaline rockhounding spots in South Dakota, across 2 counties. Tourmaline is a complex boron silicate that comes in nearly every color.
Map of 3 tourmaline rockhounding spots in South Dakota
Tourmaline by county in South Dakota
Counties ranked by number of tourmaline spots in our database.
Every tourmaline spot in South Dakota
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Tepee CanyonPleasant Valley Road | Custer County | 43.5528, -103.9454 | Public | |
| Tin MountainWarren Gulch | Custer County | 43.7557, -103.7201 | Public | |
| KeystoneBlair Street | Pennington County | 43.8950, -103.4173 | Public |
Tourmaline in South Dakota FAQ
Where can I find tourmaline in South Dakota?+
RockHoundR tracks 3 tourmaline spots in South Dakota, spread across 2 counties. The strongest concentration is in Custer County.
Is collecting tourmaline legal in South Dakota?+
Casual hand collection of common rocks and minerals like tourmaline is allowed on most BLM and U.S. Forest Service land in South Dakota, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best tourmaline location in South Dakota?+
Custer County has the most tourmaline spots in our database for South Dakota. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for tourmaline
Other minerals to find in South Dakota
Hunt tourmaline in South Dakota on the map
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