Big Sagehen Reservoir   Be the first to submit input for Big Sagehen Reservoir. If you have info on Big Sagehen Reservoir, Owyhee County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Big Sagehen Reservoir.   Hotels Near Big Sagehen Reservoir: Best Western Plus Northwest Lodge, Boise, 46 miles away Sleep Inn Airport, Boise, 47 miles away Best Western Plus Vista Inn at the Airport, Boise, 47 miles away Best Western Airport Inn, Boise, 47 miles away Comfort Inn Airport, Boise, 47 miles away   Ski Areas Near Big Sagehen Reservoir: Bogus Basin, Idaho, 58 miles away       1800 foot drop, 7 lifts, 52 runs   Whitewater Near Big Sagehen Reservoir: Battle Creek, OwyheeCounty, 7 miles away       Class II-III - 29 miles long (Headwaters to Owyhee River)