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Birch Island Brook Falls
Thornton, New Hampshire
A small tiered cascade near Thornton on Birch Island Brook.
Swim access
Water condition
At a glance
Crowd level
Moderate
Walk time
15 min
Trail difficulty
2 / 5 Easy to moderate
Parking ease
Moderate
Access type
Roadside pull-off
Overview
Birch Island Brook Falls is a small tiered cascade near Thornton, where a wooded brook drops through ledge on the western White Mountains side. It is a quick roadside-area stop with the most character when the brook is running well.
- County
- Grafton County
- Region
- White Mountains Gateway
- Water type
- Waterfall
- Waterfall type
- Tiered
Know before you go
Editorial tags
Tiered cascadeShort walkThorntonWhite mountains gatewayGrafton countyLightly documented
Good for
Short scenic stopQuick detour
Watch for
Slippery rock
Current after rain
Cold water
No lifeguard
Conditions
Conditions snapshot
Check posted signs and official updates before entering.
Getting there
Arrival points
Parking + Trailhead
44.10450, -71.58640
Parking: Pull-off · Moderate · Trailhead: 0.5 mi · 15 min · 2 / 5 Easy to moderate · Rock surface
Attraction
44.10258, -71.58388
Waterfall · Tiered · Swim viewing only
Arrival directions
Use the pull-off nearest the mapped coordinates in the Thornton corridor and follow the short informal approach to the cascade.
0.5 miShort walkRockPull-off1576 ft
Parking notes: Gravel turnout near the Birch Island Brook crossing in Thornton. No marked lot; keep to the graded edge.
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