Wahweap Creek begins in
Garfield County, near Canaan Peak on the
Kaiparowits Plateau at elevations above , and flows south into
Kane County. It receives Long Canyon and Tommy Smith Creeks from the left, then descends into a canyon where it loses about of elevation in . It continues south as a wide
arroyo, receives Coyote Creek from the right and turns southeast past
Big Water where
U.S. Route 89 skirts the creek, before emptying into
Wahweap Bay, an arm of
Lake Powell. Lake levels fluctuate between in droughts, to a maximum recorded level of . Before the construction of
Glen Canyon Dam, Wahweap Creek flowed for another before joining the Colorado River near
Page in
Coconino County,
Arizona. The Wahweap Creek
watershed comprises about of arid canyon country. The upper part of the creek flows through the
Dixie National Forest and the
Grand Staircase–Escalante National Monument, and much of the lower section lies in the
Glen Canyon National Recreation Area. As a whole, the watershed is more than 85 percent federally owned. ==See also==