Big Gap Reservoir   Be the first to submit input for Big Gap Reservoir. If you have info on Big Gap Reservoir, San Juan County, New Mexico please submit it here to improve this web site.          These outdoors activities are available near Big Gap Reservoir.   Public Lands Near Big Gap Reservoir: Hovenweep National Monument, Cortez - CO, 44 miles away Mesa Verde National Park, Mesa Verde National Park - CO, 51 miles away Yucca House National Monument, Mesa Verde National Park - CO, 51 miles away   Hotels Near Big Gap Reservoir: White Eagle Inn, Cortez, 46 miles away Silver River Adobe Inn, Farmington, 46 miles away Americas Best Value Inn, Farmington, 47 miles away Cortez Inn, Cortez, 47 miles away Americas Budget Inn, Cortez, 47 miles away