4. Twin Mountain to Pierce bridgeClass II-III
2.9 Miles
Avg Gradient 41 fpm
Max Gradient 48 fpm
Gauge Information
Ammonoosuc
River DescriptionThis 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
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| Historical Dates: | Mean High Water Date: April 23rd / 707 cfs | Mean Low Water Date: August 27th/ 63 cfs | Based on 67 years of flow information |
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River Flow information |
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Gauge: USGS (Bethlehem) Minimum level: 3.1?/429 cfs |
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Low: 3.7?/660 cfs |
Medium: 5.0?/1380 cfs |
High: 5.5?/1800 cfs |
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Waterline: 1-800-452-1737 site code: 331114 |
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AMMONOOSUC R @ BETHLEHEM JC [ NH ] |
Current Conditions
Station Graphs |
| Level Legend: | Running | Below Minimum Recommended Flow | Above Maximum Recommended Flow | Unknown |
| State | River Name/Section | Class | Level | Rel. Level | Updated | |
|---|---|---|---|---|---|---|
| NH | Ammonoosuc— 2. Littleton to Lisbon | I-II | 343 cfs | low | 7/24 7:00 | |
| NH | Ammonoosuc— 3. Bretton Woods to Twin Mountain | II-III | 2.74 ft | 7/24 7:00 | ||
| NH | Ammonoosuc— 4. Twin Mountain to Pierce bridge | II-III | 2.74 ft | low | 7/24 7:00 | |
| NH | Ammonoosuc— 5. Pierce bridge to NH 116 | II-IV | 2.74 Feet | low | 7/24 7:00 |
| AW Gauge ID: | 129 |
| USGS Station: | 01137500 |
| HUC: | 01080101 |
| Latitude: | 44.2689 |
| Longitude: | -71.6311 |
| Class: | 4 |
No Comments
Add a Comment No rapids entered. If you know names, and locations of the rapids please contact and advise the StreamTeam member for this run. 
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