Updated July 2026
Thundering Brook Falls
About 140 feet of cascades on Thundering Brook near Killington, often cited as one of Vermont's tallest waterfalls. A roughly 900-foot accessible boardwalk leads to the falls, forming the first universally accessible section of the Appalachian Trail in Vermont.
Before you go
Waterfalls are hazardous by nature — wet rock, cold water, and unstable edges — and flow varies enormously with season and recent rain. Trail figures here describe the route as documented, not conditions today. Check Green Mountain National Forest / Appalachian Trail for closures and current conditions, and confirm land status before setting out.
Frequently Asked Questions
Thundering Brook Falls drops about 140 feet. That makes it the 127th-tallest documented waterfall in this inventory, taller than roughly 82% of the falls listed here. Height comes from published land-manager and survey records, not from our own measurement.
The Thundering Falls Trail (Appalachian Trail) reaches it about 0.5 miles (out-and-back), rated easy. The nearest town is Killington. That describes the route as documented, not conditions on the day — check with Green Mountain National Forest / Appalachian Trail for closures and current conditions.
spring through fall. Waterfall flow swings enormously with snowmelt and recent rain, so a fall that roars in spring can be a trickle by late summer.
More Vermont waterfalls
- Bingham Falls · 91 ft
- Falls of Lana · 100 ft
- Hamilton Falls · 125 ft
- Lye Brook Falls · 125 ft
- Moss Glen Falls (Granville) · 35 ft
- Moss Glen Falls · 125 ft
- Old City Falls · 40 ft
- Terrill Gorge (Cady Falls)
Sources
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