Heron Lake is a reservoir in Rio Arriba County, New Mexico, United States. The reservoir is part of the San Juan–Chama Project, which connects the San Juan River in Colorado to the Rio Chama, which is
East across Heron Lake from New Mexico State Road 95, August 2025
The Brazos Cliffs, Heron Lake, and the north wall of the Rio Chama Gorge, looking east