Where to Find Agate in South Dakota
7 mapped agate rockhounding spots in South Dakota, across 5 counties. Most of the mapped spots sit in Oglala Lakota County, Custer County, and Jackson County. Agate is one of the most popular rockhounding targets in the United States.
Map of 7 agate rockhounding spots in South Dakota
Agate by county in South Dakota
Counties ranked by number of agate spots in our database.
Every agate 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 | |
| InteriorBen Reifel Road | Jackson County | 43.7320, -101.9454 | Public | |
| Sioux FallsEast Rice Street | Minnehaha County | 43.5846, -96.6669 | Public | |
| OelrichsBlacktail Creek Road | Oglala Lakota County | 43.2010, -102.8806 | Public | |
| Oglala | Oglala Lakota County | 43.2963, -102.9105 | Public | |
| Red ShirtTatanka Numpa Road | Oglala Lakota County | 43.6741, -102.8991 | Public | |
| ScenicEast Highway 44 | Pennington County | 43.7522, -102.4966 | Public |
Agate in South Dakota FAQ
Where can I find agate in South Dakota?+
RockHoundR tracks 7 agate spots in South Dakota, spread across 5 counties. The strongest concentration is in Oglala Lakota County.
Is collecting agate legal in South Dakota?+
Casual hand collection of common rocks and minerals like agate 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 agate location in South Dakota?+
Oglala Lakota County has the most agate spots in our database for South Dakota. The full county breakdown is below, and different counties produce different qualities and varieties.
Other states for agate
Other minerals to find in South Dakota
Hunt agate in South Dakota on the map
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