Castlerock Reservoir is a reservoir located in Niobrara County, Wyoming. It appears on the Telephone Draw USGS 7.5-minute topographic quadrangle. The nearest populated place is Hat Creek (historical), approximately 7.3 miles to the SSE.
Niobrara County · Wyoming
Castlerock Reservoir is a reservoir located in Niobrara County, Wyoming. It appears on the Telephone Draw USGS 7.5-minute topographic quadrangle. The nearest populated place is Hat Creek (historical), approximately 7.3 miles to the SSE.