Threemile Reservoir   Be the first to submit input for Threemile Reservoir. If you have info on Threemile Reservoir, Bitterroot Range, Clark County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Threemile Reservoir.   Campgrounds Near Threemile Reservoir: Stoddard Creek Campground, Clark County, 7 miles away Steel Creek Campground, Clark County, 9 miles away East Camos Campground, Clark County, 15 miles away   Hotels Near Threemile Reservoir: Quality Inn Rexburg, Rexburg, 35 miles away Americinn Rexburg, Rexburg, 36 miles away Magnuson Hotel Rexburg, Rexburg, 36 miles away Super 8 Rexburg, Rexburg, 36 miles away SpringHill Suites Rexburg, Rexburg, 36 miles away   Ski Areas Near Threemile Reservoir: Kelly Canyon, Idaho, 50 miles away       1000 foot drop, 5 lifts, 26 runs Moonlight Basin, Montana, 66 miles away       4166 foot drop, 7 lifts, 97 runs Big Sky, Montana, 67 miles away       4350 foot drop, 17 lifts, 150 runs