Dillon Field Office 1005 Selway Drive Dillon, MT 59725
From Montana 287, turn south at Alder on Road 357. Travel approximately 10 miles to the recreation site, which is on the west side of the road.
Located on the eastern shore of Ruby Reservoir, this recreation site provides access to fishing, boating, and camping. The reservoir was developed to supply irrigation water for agriculture and is subject to large fluctuations in water levels. Garnets can be collected along the shoreline.