Sylvan Lake, Custer State Park, Custer County, South Dakota, USAi
| Regional Level Types | |
|---|---|
| Sylvan Lake | State Park |
| Custer State Park | State Park |
| Custer County | County |
| South Dakota | State |
| USA | Country |
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Latitude & Longitude (WGS84):
43° 50' 46'' North , 103° 33' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Custer | 1,952 (2017) | 9.3km |
| Hill City | 995 (2017) | 9.6km |
| Keystone | 343 (2017) | 12.9km |
| Pringle | 109 (2017) | 26.5km |
| Colonial Pine Hills | 2,493 (2017) | 26.8km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Western Dakota Gem & Mineral Society | Rapid City, South Dakota | 37km |
Mindat Locality ID:
303154
Long-form identifier:
mindat:1:2:303154:7
GUID (UUID V4):
7f6229bd-5a7c-46ac-9269-fd600ff99063
Sylvan Lake is a small impoundment in the midst of massive outcrops of Harney Peak granite. In 1881 Theodore Reder built a dam across a narrow opening in the granite blocking Sunday Gulch Creek to form the lake. The lake and surrounding area is part of Custer State Park and collecting is not allowed, however, the geology of the Harney Peak granite can be observed on the many trails. Opportunities to photograph pegmatite veins and in-situ minerals are abundant. Most importantly it is the trail head for the 7 mile roundtrip hike to Black Elk Peak and the spectacular views of the granite core of the Black Hills.
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Wyoming DomainDomain
USA
- Black HillsMountain Range
- South Dakota
- Custer County
- Custer State ParkState Park
- Custer County
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Sylvan Lake, Custer State Park, Custer County, South Dakota, USA