Montezuma Valley Irrigation Company Flume No. 6

Montezuma Valley Irrigation Company Flume No. 6, near Cortez, Colorado, was built in 1921. It was listed on the National Register of Historic Places in 2012.

It is a creosote and wood-frame construction, built by the Montezuma Canal Co. and the Continental Pipe Manufacturing Co.

It has also been known as the McElmo Creek Flume.

It is located approximately 4 miles (6.4 km) east of Cortez on US 160.

The Montezuma Valley Irrigation Company continues to operate, in 2019.