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Trip Report

Professor Valley — May 2023 (34,700 CFS, High Water)

A three-day May 2023 Professor Valley float at 33,800 cfs — peak-runoff big water on what's normally a placid redrock day stretch, with an Onion Creek base camp for the eight-person crew. The canyon moved fast enough that the Onion Creek to takeout beach run took under two hours.

3 days 33,800 cfs 8 people
Season spring
Launch May 26, 2023
Flow 33,800 cfs
Water 57°F avg
(USGS)
Weather 49–89°F
Takeout May 28, 2023
Conditions

34,700–32,900 CFS — extreme high water

3 days
33,800 cfs
5 ft/mi
Day 1 May 26, 2023

35,600 cfs (USGS daily mean), water 57°F | Moab, UT: 66–89°F

Day 2 May 27, 2023

34,900 cfs (USGS daily mean), water 57°F | Moab, UT: 58–89°F

Day 3 May 28, 2023

33,700 cfs (USGS daily mean), water 57°F | Moab, UT: 49–87°F

Data

Flow: USGS Colorado near Cisco (09180500), 33,700–35,600 cfs daily mean.

Weather: Moab, UT, 49–89°F. NOAA GHCN-Daily

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