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Rain fed · Kentucky

Yahoo Falls: When It Actually Flows

Kentucky\u2019s tallest waterfall at 113 feet, with a trail that passes behind it under one of the largest rock shelters in the area.

March through May
Big water window
in a typical year
Rain fed
What drives it
Yahoo Creek
Climatology
Data on this page
Yahoo Creek is ungauged
NPS Big South Fork
Managed by
their rules govern

Trail status, closures and safety rules belong to each falls' managing agency, named and linked on every page.

The season

What fills Yahoo Falls, and when

A small creek in the Big South Fork country, so volume follows rain closely. The Park Service says plainly that water volume is significantly reduced during periods of dryer weather.

Typical best flow: March through May

What the agency itself says
Water volume is significantly reduced during periods of dryer weather.
Big South Fork National River and Recreation Area (National Park Service)
Looking Glass Falls dropping over a broad rock ledge into a pool, surrounded by green Appalachian forest
A rain-fed Appalachian falls runs on the last few weeks of weather, not on a snowpack calendar. Wet winters and springs are the fat season; a dry late summer thins it out within days. “Looking Glass Falls, North Carolina, April 2025” by Bill McMannis, CC BY 2.0
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Right now

Current flow at Yahoo Falls

Blackwater Falls dropping in three amber tinted strands over dark sandstone ledges into a pool
Rain-fed falls carry the color of their watershed: Blackwater Falls runs amber with tannin from spruce and hemlock bogs upstream, and its volume tracks the last month of Appalachian weather. “Blackwater Falls (15437499241)” by Benjamin Smith from United States, CC BY 2.0
Getting there

Access, in the agency's words and ours

A one-mile loop with some very steep metal steps; the trail passes behind the falls beneath the rock shelter.

Current access and closures: Big South Fork National River and Recreation Area (National Park Service).

A wide southern waterfall dropping into a boulder-strewn gorge
Pictured: Cumberland Falls, Kentucky, on the same river system. Yahoo Falls is a tall thin drop under a rock shelter. “Cumberland Falls rainbow” by James St. John, CC BY 2.0
Common questions

Yahoo Falls flow season FAQ

Lower Yosemite Fall in heavy spring flow with visitors on the boulder field below
Yosemite Falls in May, running on snowmelt that will be gone by late summer. The National Park Service tells visitors the falls can be dry by August, which is why every falls page here starts from its watershed. “Tourists below Yosemite Falls (39832011431)” by Mike McBey, CC BY 2.0
Keep planning

More falls, and the rest of the Kentucky year

Cumberland Falls

Rain fed

A 125-foot curtain across the Cumberland River, and one of the few places on earth that reliably produces a moonbow.

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Flow windows are typical-year climatology drawn from the driver and the agency language quoted above, not forecasts. Live readings and per-date percentiles are U.S. Geological Survey data, public domain; the above-or-below-typical line is our comparison and is labelled as such. Access, trail and safety information belongs to Big South Fork National River and Recreation Area (National Park Service). National picture: waterfall season across the US →
Hero image: “Cumberland Falls rainbow” by James St. John, CC BY 2.0