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The San Juan River

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  Located in Northwestern New Mexico, the San Juan river is widely considered one of the most productive rainbow trout fisheries in the West.  The San Juan River was impounded in June 1962 by Navajo Dam and has since blossomed with trout.   The reasons for the river's success are its constant 40-45 degree temperature and the special regulations placed on 3.75 miles of the river directly below the dam.  The insect growth in the river is phenomenal.  The enormous number of midges, mayflies, aquatic worms, and    caddis flies(in the lower part of the river) produce an average growth of 6 inches per year in young fish!  The San Juan is the most popular river in New Mexico for guided trips.  With little or no fly fishing experience, people have a pretty good chance of landing a prize rainbow.  The average size of fish caught on the San Juan is 17 inches!  The river is productive all year long.   It is not unusual for trips to produce fairly consistent hookups of 18" trout all day long.