Thomas Reservoir   Be the first to submit input for Thomas Reservoir. If you have info on Thomas Reservoir, Elko County, Nevada please submit it here to improve this web site.          These outdoors activities are available near Thomas Reservoir.   Public Lands Near Thomas Reservoir: Humboldt National Forest, Nevada, 30 miles away   Whitewater Near Thomas Reservoir: Owyhee River - East Fork, OwyheeCounty, 8 miles away       Class II - 50 miles long (Duck Valley to Crutcher's Crossing)