Weeks Falls is a waterfall on the South fork of the Snoqualmie River

Snoqualmie River

The Snoqualmie River is a long river in King County and Snohomish County in the U.S. state of Washington. The river's three main tributaries are the North, Middle, and South Forks, which drain the west side of the Cascade Mountains near the town of North Bend and join near the town of Snoqualmie...

, located just south of Interstate 90

Interstate 90

Interstate 90 is the longest Interstate Highway in the United States at . It is the northernmost coast-to-coast interstate, and parallels US 20 for the most part. Its western terminus is in Seattle, at Edgar Martinez Drive S. near Safeco Field and CenturyLink Field, and its eastern terminus is in...

 at exit 38. The falls are at the end of the road that goes past the Olallie State Park

Olallie State Park

The Olallie State Park is a day-use park in Washington around part of the Snoqualmie River. The most prominent feature of the park is Twin Falls.- Location :...

 ranger headquarters. From the gravel parking lot, there is a paved accessible overlook to see the falls and a small area around the hydro-electric plant. Also, there is a 1/4 mile accessible interpretive trail nearby.

Weeks Falls has a small hydroelectric plant operated by CHI West which generates about 4.3 Megawatts peak. It's unusual because it operates without a dam. Instead, water is being drawn from the river above Upper Weeks Falls

Upper Weeks Falls

Upper Weeks Falls is a waterfall on the South fork of the Snoqualmie River. It is located south of Interstate 90 on the north side of SE Homestead Valley Road. The waterfall can be reached either by a rock scramble upstream from Weeks Falls or following a very steep unofficial trail down through...

 and run down a channel to the generation unit at Weeks falls.

See also

• Olallie State Park
  Olallie State Park
  The Olallie State Park is a day-use park in Washington around part of the Snoqualmie River. The most prominent feature of the park is Twin Falls.- Location :...
  
  
• Upper Weeks Falls
  Upper Weeks Falls
  Upper Weeks Falls is a waterfall on the South fork of the Snoqualmie River. It is located south of Interstate 90 on the north side of SE Homestead Valley Road. The waterfall can be reached either by a rock scramble upstream from Weeks Falls or following a very steep unofficial trail down through...
  
  
• Snoqualmie River
  Snoqualmie River
  The Snoqualmie River is a long river in King County and Snohomish County in the U.S. state of Washington. The river's three main tributaries are the North, Middle, and South Forks, which drain the west side of the Cascade Mountains near the town of North Bend and join near the town of Snoqualmie...
  
  
• Damless hydro