Northeast
Rapid River
Gauge data unavailable for Rapid River.
Check USGS directly ↗
24-Hr Pressure
28.15 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
🌦️Drizzle
73° / 46°
0.05"
Tomorrow
🌧️Rain
58° / 43°
0.43"
Thu
☁️Overcast
47° / 34°
Fri
🌦️Drizzle
49° / 32°
0.06"
Rain in forecast — expect rising, off-color water in 12–24 hrs.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
One call. Specific to today's exact conditions on the Rapid River.
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Rapid River conditions.
🪰 Hatch Calendar
Rapid River · May · Late Spring
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
HENDRICKSON (size 14). Caddis starting. Wild brookies feeding hard after ice-out. Check Waterline (h2oline.com) for daily Middle Dam releases — 500–700 CFS is the sweet spot.
River Map
About Rapid River
Arguably the best trophy wild brook trout river in the eastern United States. Six miles from Middle Dam (Lower Richardson Lake) to Lake Umbagog — no road access; canoe or walk-in only via private sporting camps. Wild brook trout averaging 2–4 lbs with fish to 5+ lbs documented. Fly fishing only, catch-and-release only.
Regulations
Fly fishing ONLY. Catch-and-release ONLY. No barbed hooks. Maine fishing license required. Check Maine DIFW for current regs. No live USGS gauge on this river — flows are entirely controlled by the private Middle Dam (Brookfield Renewable / Richardson Lakes). Check Waterline (h2oline.com) for daily dam release data. Above 900 CFS the river becomes unfishable; the 500–700 CFS window is the sweet spot.