Navajo Dam

Navajo Dam is an embankment dam stretching across the San Juan River valley in northwestern New Mexico, creating a large reservoir that extends between rocky terrain and forested areas. The structure holds a vast amount of water and forms one of the major lakes in the Southwest.

The dam was constructed between 1958 and 1962 by the federal Bureau of Reclamation as part of a major water management project designed to regulate the Colorado River and its tributaries. The project represented a significant step in controlling water resources across the Southwest.

The water behind the dam has supported irrigation systems for decades, sustaining agriculture across the region and serving local communities along with the Navajo Nation. Visitors can notice this connection when they see the extended green farmlands stretching downriver from the site.

The area around the dam offers boating, fishing, and camping at several developed spots around the water. It makes sense to visit during early morning hours or on weekdays if you want to avoid crowds.

A striking transformation happened after the dam was built: the San Juan River was originally a warm stream with native fish species, but the reservoir converted it into a cooler habitat for rainbow and brown trout. This shift shows how water projects can reshape entire ecosystems.

Location: San Juan County

Location: Rio Arriba County

GPS coordinates: 36.80030,-107.61300

Latest update: December 10, 2025 16:01