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CanWePaddle

Lower Wisconsin — Sauk City to Spring Green: Water Level Today — Can You Paddle It?

Wisconsin River · Class I · Wisconsin

Current verdict

Good to paddle

Levels are within the typical runnable range for this section.

9,350 cfs/ 2.5 ft gauge
Runnable 2,000–20,000 cfs
Estimated range

USGS gauge 05407000 · updated Jul 9, 8:00 AM UTC

7-day flow trend

21,8002002026-07-022026-07-08
Daily mean flow (cfs), past 7 days. Shaded band = runnable range.

Section facts

Difficulty
Class I
Length
19 mi
Float time
~7 hr
Best months
May–October
Put-in
Sauk City / Prairie du Sac landing
Take-out
Spring Green landing

Reading USGS gauge 05407000 — WISCONSIN RIVER AT MUSCODA, WI · runnable range is an estimate (see methodology)

FAQ

What water level is good for paddling Lower Wisconsin — Sauk City to Spring Green?

This section is generally runnable at 2,000–20,000 cfs (a conservative estimate — see our methodology). Below that it gets too low and bony; well above the top of the range it becomes pushy and then dangerous. We compare the live USGS reading to that range to produce today's verdict.

How do I check Wisconsin River levels?

We read USGS gauge 05407000 — the same public data USGS publishes — about every 30 minutes and compare it to the runnable range for this reach. You can also view the raw gauge yourself at waterdata.usgs.gov.

Is Lower Wisconsin — Sauk City to Spring Green good for beginners?

This section is rated Class I. At good levels it suits confident beginners and up, but it can have riffles or small rapids. Scout anything you can't see, and stay off it at high water.

When is the best time to paddle Wisconsin River here?

Typically May–October, when flows are most reliable for this section. Spring can run high after rain or snowmelt; late summer can drop too low. Always check today's gauge reading rather than assuming.

How long does it take to float Lower Wisconsin — Sauk City to Spring Green?

This reach is about 19 miles, roughly 7 hours at a relaxed pace. Higher water is faster; low water and headwinds are slower. Add time for stops.

Nearby sections

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