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Summer Falls
   Grant County, Washington

[ Physical Makeup ]  [ Pictures ]  [ Maps ]  [ Update History ]

For all intents and purposes, Summer Falls is a man-made waterfall. Technically any water draining down Arbuckle Draw and Trail Lake Coulee would have flowed over the falls, but so little precipitation falls in this area it would have been for a matter of days, if not hours. With the construction of the Columbia Basin Reclamation Project a series of canals were built to divert water to various parts of the Columbia Plateau for irrigation. The primary canal emanating from Banks Lake was routed over the cliffs at the head of Trail Lake Coulee, forming Summer Falls. The full volume of the Canal was initially allowed to flow over the falls, but some time in the mid 1980s a hydroelectric station went online adjacent to the falls, diverting almost the entire flow away from the falls. When enough water is being pumped into Banks Lake, the falls should be flowing, but the only time when the full force of the original falls will be evident is if the generating station needs to go offline for maintenance. The site was formerly administered by the state, but due to budget constraints was turned over to the Bureau or Reclamation in 2003.

HISTORY AND NAMING INFORMATION

  • Summer Falls is the Official name of this waterfall.

Summer Falls was named initially because it only flowed during the summer when the irrigation diversion system was actively being used. However the meaning of the name doesn't necessarily apply any longer.

LOCATION AND DIRECTIONS

Summer Falls is accessed from Highway 2 in Coulee City in central Eastern Washington. Crossing the Dry Falls Dam along Highway 2, turn right at the sign pointing to Coulee City (N 4th St). Drive 4 blocks and turn left on W. Walnut Street, following signs for Summer Falls, then turn right on McEntee Street, again watching for signs to Summer Falls. McEntee turns into Pinto Road, follow this for 8 miles to an unmarked dirt road on the left (2 1/2 miles after crossing the North Main Canal - if you start driving up a long hill, you've gone too far). A sign denoting the Falls and a gate are found just down the road but are hard to see from the main road. The falls are found 1 mile further down the dirt road at the park.

Latitude

47.50298 N

Longitude

-119.29405 W

Elevation

1427 feet

USGS Quadrangle

Coulee City 7 1/2"

Online USGS Topographic maps on Terraserver

Aerial Photographs: Terraserver | Flash Earth

Download KML

Open this location in Google Earth

OTHER NEARBY WATERFALLS

Name

Distance

0 miles

 

 

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Magnitude

40.99

IWC

1.13  (Class 2)

RATING

53 %

 

Photo of Summer Falls

[ View Pictures ]

 

PHYSICAL MAKEUP

Height

92 feet

Tallest Drop

 

Num. Drops

2

AVG. Width

20 feet

Pitch

90 degrees

Run

50 feet

Primary Form

Tiered Plunges

 

Watershed

Columbia River (Above Snake River)

Stream

North Main Canal

AVG. Volume

40.0 cfs

Source

Irrigation

Seasonality

6 months

Best Flows

 
 

ADDITIONAL RESOURCES

Search for Summer Falls on Google

Information on this waterfall at the World Waterfall Database

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UPDATE HISTORY

Jul 28, 2011

Added a picture(s) of this waterfall

 
 
 
 
 

 

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