Wisconsin | Wausau Area

Big Rib RiverAmco Park to County Highway A

Beginner-friendly upper-middle Big Rib River day from Marathon County Amco Park to the County Highway A bridge, with brisk current, light riffles, small outcrops, and direct Rib Falls gauge support.

Route location

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Open access map
Distance4.3 mi
DifficultyEasy
Typical timeAbout 2 hr to 2.5 hr
ShuttleCar or bike
The Marathon City Bridge spans the Big Rib River in Marathon County, Wisconsin.
River contextBig Rib River at Marathon City Bridge river-level photo — not necessarily this exact reach.Photo by Historic American Engineering Record
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Trip details

Access rules, camping and seasonal notes.

Permits, camping and season
PermitsNone notedNo route-specific paddling permit is known. Follow Marathon County park rules at Amco Park, use legal parking at Highway A, and avoid private-bank stops.
CampingDay tripTreat this as a day trip. Amco Park has picnic and restroom facilities but no on-route river camping is documented for this segment.
SeasonApr-OctThis segment can work at lower flows than the Rib Dells, but riffles become bumpy below the floor and high water makes low branches, snags, and the bridge take-out more consequential.

Access and shuttle

Launch from Marathon County Amco Park and take out at County Highway A for an easier Big Rib segment below the Rib Dells. The direct Rib Falls gauge is currently below the selected low-water floor.

Access map

Skip map

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Start

Put-in

Amco Park Big Rib River access
DirectionsOpen map

Amco Park is a public Marathon County park with Big Rib River access, fishing access, picnic facilities, potable water, and vault toilets.

Finish

Take-out

County Highway A Big Rib bridge access
DirectionsOpen map

Highway A is a bridge-area take-out with a faded path and limited shoulder or snowmobile-drive parking. Confirm the pull-off before launching.

Road shuttle

Stage County Highway A first because parking is limited near the bridge, then return to Amco Park. The road shuttle is short by car but not especially pleasant by bike.

Additional access notes
  • Do not turn this into an unplanned continuation toward Rib Falls; the downstream route requires a mandatory take-out above the falls.
More route and safety guidance
  • The County Highway A take-out is a bridge-area path with limited parking; scout it before launching.
  • Do not continue downstream toward Rib Falls unless adding the separate County A-to-Rib Falls route and taking out above the falls.
Terms and safety
Plan this paddle

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Conditions

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Tomorrow and the weekend

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Station details and river cameras

Sources and methodology

Review source dates and published guidance below. We have not inspected this trip in person.

Data reliability: checking
Data status
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This rating reflects whether the gauge measures this part of the river, whether published water-level guidance is available, and how recently the data was updated.

  • Checking data sources and update times.
Water levels, published guidance and update times

These readings and published water-level limits help explain today’s score.

Gauge siteBig Rib River at Rib Falls, WI
DischargeChecking
Gauge heightChecking
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Rain last 24hChecking
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Air tempChecking
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Preferred range201 cfs to 300 cfs
Low threshold100 cfs
High threshold501 cfs
Evidence strength behind the rangeLocal route guidance
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreWisconsin River Trips Big Rib - Amco Park depth guide
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Published evidence and verification notes

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

  • Route shapeAmco Park to Highway A, 4.3 mi

    Wisconsin River Trips lists the exact route, distance, gradient, shuttle, access notes, current, and hazards.

    Source

  • Public put-inAmco Park access to Big Rib River

    Marathon County lists Amco Park as a 39-acre public park with Big Rib River access, fishing access, picnic facilities, potable water, and vault restrooms.

    Source

  • Gauge ladder201-300 cfs target; 501+ not casual

    WRT ties the Amco route to the Big Rib at Rib Falls gauge and publishes route-specific bands from very low through very high.

    Source

  • Gauge check during route review · 2026-07-1747.9 cfs / 2.03 ft at 2026-07-17 07:00 CDT

    This reading was saved when we checked the guide. It is not today’s water level. Check the current gauge and local conditions before paddling.

    Source

Check the source links

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