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Big Dog Falls
Grantham, New Hampshire
A small local cascade near Grantham in the Dartmouth-Lake Sunapee region.
Swim access
Water condition
At a glance
Crowd level
Moderate
Walk time
10 min
Trail difficulty
2 / 5 Easy to moderate
Parking ease
Moderate
Access type
Roadside pull-off
Overview
Big Dog Falls is a small Grantham-area cascade near the Eastman and Dartmouth-Lake Sunapee countryside. It feels like a local brook stop rather than a major waterfall, with the best look in wetter seasons.
- County
- Sullivan County
- Region
- Dartmouth-Lake Sunapee
- Water type
- Waterfall
- Waterfall type
- Cascade
Know before you go
Editorial tags
CascadeDartmouth lake sunapeeGranthamSullivan countyLightly documented
Good for
Short scenic stopQuick detour
Land ownership
Public
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
43.59525, -72.13669
Parking: Pull-off · Moderate · Trailhead: 0.2 mi · 10 min · 2 / 5 Easy to moderate · Rock surface
Attraction
43.59355, -72.13449
Waterfall · Cascade · Swim viewing only
Arrival directions
Use the pull-off nearest the mapped coordinates along the Grantham access corridor and follow the short informal path toward the cascade.
0.2 miRoadsideRockPull-off1382 ft
Parking notes: Gravel shoulder in Grantham. No posted lot; do not block driveways or mailbox turnouts.
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