River Flows & Temperatures
Below we have graphs of the Grand Canyon River flows (water levels) for the most recent 7 days at Lee’s Ferry (plus water temperature), Phantom Ranch, and Diamond Creek on the Colorado River. We also have flows and water temperature for the Little Colorado River and Havasu Creek.
Update for 2023 Grand Canyon Colorado River flows: the US Bureau of Reclamation plans to release 6.4% less water in 2023 than it did in 2022.
You can go back to the Grand Canyon Rafting page for information about booking a Grand Canyon rafting trip or check out our article about how drought affects rafting in the west.
Colorado River Flows through Grand Canyon & Glen Canyon
This graph shows the flow at Lees Ferry, the start of Colorado River rafting trips through Grand Canyon. Glen Canyon smooth water float trips end here. Scroll down to see Colorado River temperature at Lees Ferry.
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Grand Canyon River Flows at Phantom Ranch
Phantom Ranch is 90 miles downstream from Lees Ferry on the Colorado River and a place where people leave and join trips by hiking the Bright Angel Trail.
Colorado River Flows in Grand Canyon at Diamond Creek
Diamond Creek is a common take-out and put-in location.
Colorado River Temperature at Lees Ferry
Little Colorado River Flows
The Little Colorado River flows into the Colorado River at mile 62.
Water Temperature: Little Colorado River
Havasu Creek Flows
At river mile 157 Havasu Creek flows into the Colorado River.