Explore the Mesozoic hogback formations from Rapid City south to Angostura reservoir on the Cheyenne River. Great scenery!
Rapid City Trail System Map: [ Ссылка ]
![](https://i.ytimg.com/vi/pEGc1Bwdaoc/mqdefault.jpg)
Explore the Mesozoic hogback formations from Rapid City south to Angostura reservoir on the Cheyenne River. Great scenery!
Rapid City Trail System Map: [ Ссылка ]