Where to Find Geodes in South Dakota
South Dakota has 4 mapped collecting spots that report geodes, spread across 2 counties. 3 of the spots are on land mapped as publicly accessible.
Every geode spot we track in South Dakota
Best spotSpearfish CanyonLawrence County, South DakotaPublic access · Amethyst, Geode, Chalcedony +1
Best spotWhitewood CreekLawrence County, South DakotaPermission required · Amethyst, Geode, Chalcedony +1
Hell CanyonCuster County, South DakotaPublic access · Banded Agate, Jade, Jasper +2
Pleasant Valley CreekCuster County, South DakotaPublic access · Banded Agate, Jade, Jasper +2
Standout geode spots in South Dakota
Hand-picked from the full list above, with the reason each one earns a trip.
Spearfish Canyon
Lawrence County
Lawrence County in the northern Black Hills is the best part of South Dakota for geodes, and the gravels in and around Spearfish Canyon yield baseball-sized geodes lined with amethyst, quartz, and chalcedony, plus silicified wood.
Whitewood Creek
Lawrence County
The gravels of Whitewood Creek in the northern Black Hills are a reliable source of geodes lined with amethyst and chalcedony, along with silicified wood.
Best counties for geodes in South Dakota
Ranked by the number of mapped geode spots. County links open the full rockhounding page for that county.
Before you go
Read the geodes identification guide so you know what a keeper looks like in the field: Geode in the encyclopedia.
