Wisconsin | East-Central Wisconsin

Manitowoc River

Clarks Mills Dam carry-in to County Road S / Game Protection Site

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DifficultyhardThe mileage is short, but the reach includes a dam-adjacent launch, bedrock ledges, Lower Cato Falls, fast current, and private-bank bailout limits.
PermitsNone notedNo route-specific paddling permit is known. Use the named public water-trail accesses, follow Wisconsin boating/PFD rules, and respect county, dam, and private-property postings.
CampingOptions nearbyTreat this as a day route. No designated on-route campsite is selected between Clarks Mills Dam and County Road S; use separate Manitowoc-area or state-forest camping only if independently reserved and current.
SeasonApr-OctSpring and rain-supported windows are most reliable. Summer can drop below the WRT floor, while storm water can quickly turn ledges, bridge approaches, and strainers into advanced whitewater hazards.

Dial in the shuttle, distance, and access.

Use this section once the route looks viable and you need to turn it into an actual trip plan.

Access, shuttle, and map

Launch below Clarks Mills Dam for the short ledgy upper-Manitowoc segment to County Road S. The reach is compact but not casual: Lower Cato Falls, boulder gardens, private banks, and water-quality issues after rain all need a conservative scout.

Plan a shorter segmentOptional

Pick a shorter segment

This changes launch and take-out logistics, not today's river score.

On-water distanceAbout 2.7 miLake to creek
On-water timeAbout 5 to 7 hrFull route option
ShuttleSelf-shuttleChoose a shorter in/out pair for a shorter day.

Peltier Lake to Long Lake is the full route. Shorter access pairs are useful when wind, time, or group energy changes the plan.

Start

Put-in

Clarks Mills Dam carry-in below damOpen map

MRW lists the Clarks Mills site as a carry-in just below the dam with adjacent parking; do not launch upstream of the dam.

Finish

Take-out

County Road S / Manitowoc County Game Protection SiteOpen map

Lower Cato Falls County Park provides the scout/portage context, but MRW describes its river access as difficult because of steep slopes.

Pulling access map tiles. Usually under 5 seconds.

Access caveats and watch for

Access caveats

  • MRW lists the Clarks Mills site as a carry-in just below the dam with adjacent parking; do not launch upstream of the dam.
  • Lower Cato Falls County Park provides the scout/portage context, but MRW describes its river access as difficult because of steep slopes.
  • County Road S / Game Protection Site is the selected take-out; verify parking and footing before launching because flows and mud can change access quality.

Watch for

  • Clarks Mills Dam exposure at the put-in; stay downstream and away from dam hydraulics.
  • Lower Cato Falls, boulder ledges, fast current, strainers, and pushier water above the WRT recreational window.
  • Manure runoff or other water-quality concerns after rain, plus private banks and limited legal bailout choices.

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Read quality
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Gauge, thresholds, and timing

These are the live readings and threshold notes behind today's score.

Gauge siteManitowoc River at Manitowoc, WI
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Target band101 cfs to 300 cfs
Low threshold60 cfs
High threshold501 cfs
Data confidence behind the rangeOfficial and local sources
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreWisconsin River Trips Manitowoc River depth guide
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What to know before you go

These notes cover the access details, route quirks, and source caveats most likely to matter once you get there.

  • Official access chainClarks Mills Dam to County Road S

    The Manitowoc River Watershed water-trail access inventory lists the carry-in below Clarks Mills Dam, Lower Cato Falls County Park, the County Road S/Game Protection Site, and downstream bridges as public water-trail sites.

    Source

  • Route split and hazardsClarks Mills to County S, about 2.7 mi

    Wisconsin River Trips breaks the upper Manitowoc into Clarks Mills-to-County-S and County-S-to-North-Union pieces, notes the dam-adjacent launch, Lower Cato Falls, strainers, fast current, and water-quality concerns.

    Source

  • Whitewater corroborationCato ledges and direct gauge

    American Whitewater documents the Manitowoc A/Cato reach with bedrock ledges, Lower Cato features, County Road S take-out, and USGS 04085427 as the gauge.

    Source

  • Current gauge checkUSGS 04085427 22.6 cfs / 4.13 ft at 2026-07-23 10:00 CDT

    USGS Water Services returned a current Manitowoc River at Manitowoc reading during this run, below the selected WRT floor.

    Source

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Manitowoc River paddling FAQ

What water level is good for paddling Manitowoc River?

Paddle Today watches Manitowoc River at Manitowoc, WI and treats 101 cfs to 300 cfs as the target band for this route, with weather and recent trend included in the final score.

Where does this Manitowoc River route start and end?

This route starts at Clarks Mills Dam carry-in below dam and ends at County Road S / Manitowoc County Game Protection Site, about About 2.7 mi on the water.

Is this Manitowoc River route good for beginners?

This is listed as a hard route. Treat the live score as a planning aid, then confirm conditions, hazards, access, and group skill before launching.

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Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.