New Mexico — Hatch Calendar
New Mexico's San Juan River below Navajo Dam is one of the most productive tailwaters in the country — a year-round midge fishery whose 'quality waters' hold extraordinary numbers of large, selective rainbows and browns.
September 2026
1
5
10
15
20
25
30
Mayflies
Midges
Terrestrials
Crustaceans
Active range Peak period Sparse Heavy / Blanket