Waterfall

Lower Riley Creek Falls

Lower Riley Creek Falls
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About This Waterfall

Riley Creek is a moderate volume stream which rises high up on the northwest flank of Mount Adams. As it descends down the broad slopes of the mountain, it plunges down the side of a plateau-like formation toward the fledgling Lewis River and in the process produces a series of noteworthy waterfalls. Lower Riley Creek Falls is the fourth and final of the major waterfalls encountered along this tumble (there are two more smaller waterfalls found further downstream), a sliding horsetail style fall of 35 feet set in a natural bowl-shaped depression in the canyon. The waterfalls along Riley Creek are not accessible by any trail, but the route in is not terribly difficult as far as bushwhacks go. Expect to encounter Devil's Club, crumbly decaying logs, and moderately thick Huckleberry bushes higher up near this waterfall. Good route finding skills are necessary in order to visit this waterfall, as the forest in the area is thick and doesn't allow for orienting via geographic locations.

Waterfall Details

Waterfall Form

Horsetail

Total Height

35ft

Tallest Drop

35ft

Number of Drops

1

Run

40ft

Avg Width

5ft

Max Width

10ft

Pitch

65°

Magnitude

13.23

High Flow

25cfs

Low Flow

10cfs

IWC Rating:0.46
Feeder Stream:Columbia River Riley Creek
View on World Waterfall Database

Getting There

GPS Coordinates

46.232220, -121.609160

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Quick Facts

TypeWaterfall
FormHorsetail
StatusCataloged

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Tips

📸

Best photos during golden hour or after rain.

📍

Use GPS coordinates for the most accurate directions.

Safety Info

Stay on marked trails. Rocks near waterfalls are extremely slippery.

Never swim at the top of a waterfall. Strong currents can be deceptive.

Respect the environment. Pack out everything you bring in.