Heap Lake   Be the first to submit input for Heap Lake. If you have info on Heap Lake, Lyman County, South Dakota please submit it here to improve this web site.          These outdoors activities are available near Heap Lake.   Public Lands Near Heap Lake: West Bend Recreation Area, South Dakota, 17 miles away   Hotels Near Heap Lake: Quality Inn Oacoma, Oacoma, 20 miles away Holiday Inn Express CHAMBERLAIN-OACOMA, Oacoma, 21 miles away Howard Johnson Inn and Suites Oacoma, Oacoma, 21 miles away Days Inn Chamberlain/Oacoma, Chamberlain, 21 miles away Oasis Inn, Oacoma, 24 miles away