Ammonoosuc - 4. Twin Mountain to Pierce bridge


Ammonoosuc,

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4. Twin Mountain to Pierce bridge

Usual Difficulty II-III (may vary with level)
Length 2.9 Miles
Avg. Gradient 41 fpm
Max Gradient 48 fpm

Gauge Information

Name Range Difficulty Updated Level
AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH
usgs-01137500 3.10 - 6.00 ft II-III 00h48m 1.93 ft (rc= -0.4 )


River Description

This is a nice intermediate run in the Northern White Mountains of NH. The most difficult rapid (Boat Breaker) is at the end of this run near the take out.

Technical info

Put in elevation........1286'
Take out elevation......1167'
Total drop..............119'
1st mile................46'
2nd mile................30'
2.9 mile................43' (48' average)
Average drop/mile.......41'
Distance................2.9 miles
River width average.....70'
River geology...........Small to medium granite boulders
River water quality.....good to excellent, clarity good.
Scenery.................Nice Mountain scenery, most of this stretch runs away
                        from the road.
Wildlife................Deer, hawks, moose, beavers. 


StreamTeam Status: Verified
Last Updated: 2006-11-05 17:56:17