Wisconsin | South-Central Wisconsin

Fox River

Princeton Lock and Dam to Princeton City Landing

Check current paddling conditions for this Fox River route, including water level, recent gauge trend, weather, and route details.

Route location

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DistanceAbout 3.6 mi
DifficultyEasy
Typical timeAbout 1.5 hr to 2.5 hr
ShuttleCar shuttle
The Fox River flows past trees and low banks in Illinois.
River contextFox River river-level photo — not necessarily this exact reach.Photo by Ken Lund

Need to know

Why this call
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Gauge history and hourly forecast

The top card is the quick read. This lower section keeps the longer gauge trend, gauge context, and hourly forecast together.

Gauge history & hourly forecastDetailed view

Recent trend

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Hourly forecast

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Short-route forecast

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Quick facts and what's next

Distance, difficulty, shuttle basics, and the near-term outlook before you commit to the drive.

DifficultyeasyEasy current and a short distance, but the required below-dam launch, open-river wind, and high-water ugliness keep it out of pure park-float territory.
PermitsNone notedNo route-specific paddling permit is known. Use the public DNR and city landings, follow Wisconsin boating and PFD rules, and obey posted Lock Road, Hiestand Park, and downtown parking rules.
CampingDay tripNo on-route camping is allowed or documented. Wisconsin DNR says Upper Fox River Public Access properties prohibit open fires and camping, so treat this as a short day trip.
SeasonMay-OctLate spring through fall is the normal window. WRT says 350 cfs may be the yearly low and 1500 cfs may be a yearly high, but the app uses only the conservative low-water floor because the high-side language is explicitly a guestimate.

Upcoming outlook

These are early planning reads. Re-check live conditions before you commit to the drive.

TomorrowChecking

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WeekendChecking

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Plan your trip

Launch points, shuttle details, distance, and access notes.

Access and shuttle

Launch below Princeton Lock and Dam and paddle north to the city landing in Princeton for a short Upper Fox route. The direct Princeton gauge is useful, but the dam-adjacent start and wind exposure deserve same-day checks.

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Start

Put-in

Princeton Lock and Dam / Lock Road landing
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Princeton Lock and Dam has a dangerous low-head dam and electric fish barrier. Launch below the structure and do not approach it from upstream or downstream.

Finish

Take-out

Princeton Jefferson Street / Hiestand Park Landing
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The Lock Road side has DNR public boat launches, parking, and seasonal restroom support; the Oxbow Trail side is not the normal boat-launch side for this card.

Plan this segment

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Access caveats and watch for

Access caveats

  • Princeton Lock and Dam has a dangerous low-head dam and electric fish barrier. Launch below the structure and do not approach it from upstream or downstream.
  • The Lock Road side has DNR public boat launches, parking, and seasonal restroom support; the Oxbow Trail side is not the normal boat-launch side for this card.
  • The city landing is the planned take-out. Downtown events, fishing use, or local parking rules can affect staging.
  • The route uses minimum-only scoring because WRT gives a low-water/high-water heuristic rather than a formal two-sided paddling ladder.

Watch for

  • Low-head dam and electric fish-barrier hazards at the put-in area.
  • Wind on the broad Upper Fox, slow current, dirty high water, and floating debris after rain.
  • Private shoreline, bridge approaches, fishing lines, and limited legal exits between endpoints.

Why this score

See the gauge, weather, and source notes behind today's call.

Read quality
Checking live inputs.

Pulling the latest gauge and weather. Usually under 10 seconds.

Gauge inputChecking

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Weather inputChecking

Waiting on weather.

Next stepChecking

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Today's evidence strength is checking

Evidence strength mostly comes down to three things: how direct the active gauge is, how clear the range is, and how fresh the data is.

  • Checking evidence-strength notes.
Gauge, thresholds, and timing

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

Gauge siteFox River at Princeton, WI
DischargeChecking
Gauge heightChecking
24h trendChecking
24h changeChecking
Current bandChecking
Rain last 24hChecking
Rain last 72hChecking
Air tempChecking
Water tempChecking
WindChecking
GustsChecking
Rain timingChecking
Ideal rangeNeeds paddler reports
Known low-water floor350 cfs
High thresholdNot calibrated yet
Evidence strength behind the rangeLocal route guidance
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreWisconsin River Trips Princeton Locks level guidance
Gauge sourceChecking
Weather sourceChecking
Rainfall sourceChecking
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.

  • Route-specific guide3.58 miles; public ramp to public ramp

    Wisconsin River Trips documents Princeton Locks public ramp to City of Princeton public ramp, with distance, shuttle, dam, wind, and level notes.

    Source

  • Dam safetyLaunch below the dam/fish barrier

    WRT warns of a dangerous low-head dam and electric fish barrier at the put-in; DNR identifies the Lock Road site as the boat-launch side of Princeton Lock and Dam.

    Source

  • Direct gaugeUSGS 04073365 at Princeton

    USGS locates the Fox River at Princeton gauge on the same town corridor, and WRT ties the route to this gauge.

    Source

  • Conservative floor350 cfs minimum-only

    WRT says 350 cfs may be the yearly low, that 820 cfs was relatively low, and suggests avoiding 1000 cfs and up. The app uses only the low-water floor and does not infer an ideal range.

    Source

  • Current gauge check520 cfs / 3.88 ft at 2026-07-22 16:00 CDT

    USGS Water Services returned a current direct Princeton reading above the selected conservative floor during this run.

    Source

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Fox River paddling FAQ

What water level is good for paddling Fox River?

Paddle Today watches Fox River at Princeton, WI and uses 350 cfs as the conservative low-water floor for this route. The ideal range still needs more paddler reports.

Where does this Fox River route start and end?

This route starts at Princeton Lock and Dam / Lock Road landing and ends at Princeton Jefferson Street / Hiestand Park Landing, about About 3.6 mi on the water.

Is this Fox River route good for beginners?

This is listed as an easy route, but conditions still matter. Check today's score, water level, weather, and access notes before you go.

See something outdated?

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