Wisconsin | Lake Country

Bark River

Merton Dam / Firemen's Park to Bark River Park

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

Route location

Loading the route snapshot. This usually takes a few seconds.

Open access map
DistanceAbout 4.9 mi
DifficultyModerate
Typical timeAbout 2 hr to 3 hr
ShuttleCar shuttle
The Bark River runs through a wooded greenway in Hartland, Wisconsin.
River contextBark River Greenway river-level photo — not necessarily this exact reach.Photo by Awkwafaba

Need to know

Why this call
Pulling the latest gauge and weather. This usually takes a few seconds.
View Primary Source

Route alerts

Email me when this route improves

We'll email you when this route climbs into Good or Strong. Every email includes an unsubscribe link.

We only email on a new threshold crossing.

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

Checking preferred range.

Checking trend.

------------

Hourly forecast

Checking weather.

Loading today's forecast.

Short-route forecast

Checking the next several hours.

Checking the best short-route window.
----Loading--

Quick facts and what's next

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

DifficultymoderateSmall-water route with rocky riffles, boulder gardens, fast narrow bends, deadfall, and a practical mandatory take-out at Bark River Park before the next Hartland segment.
PermitsNone notedNo route-specific paddling permit is known. Use the public Merton Millpond and Hartland park access points, follow posted park rules, and avoid private banks except for emergencies.
CampingDay tripNo on-route camping is documented. Treat this as a day route from nearby Lake Country lodging or home base.
SeasonApr-OctBest after spring flow or recent rain when the Delafield gauge is above the low-water shoulder and vegetation has not crowded the channel. Summer can work after storms, but the reach is shallow, narrow, and wood-prone.

Upcoming outlook

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

TomorrowChecking

Waiting on forecast.

WeekendChecking

Waiting on forecast.

Plan your trip

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

Access and shuttle

Launch below the Merton Millpond dam area and paddle the clear upper Bark to Hartland's Bark River Park. The route has springs, boulder gardens, and attractive wooded sections, but wood and shallow rocks make the Delafield gauge and a same-day visual check important.

Take the plan with you

Download the canonical route, add a calendar hold, or send a simple float plan to your group.

Start

Put-in

Merton Millpond / Firemen's Park downstream launch
Open map

Launch below the dam structure at Merton; do not stage or idle near dam hydraulics.

Finish

Take-out

Bark River Park / Church Street
Open map

Bark River Park is the planned take-out for this card. Continuing downstream enters the separate Hartland-to-Delafield route with additional rapids, bridge clearance, and lake exposure.

Plan this segment

Skip map

Pulling access map tiles. Usually under 5 seconds.

End of map
Access caveats and watch for

Access caveats

  • Launch below the dam structure at Merton; do not stage or idle near dam hydraulics.
  • Bark River Park is the planned take-out for this card. Continuing downstream enters the separate Hartland-to-Delafield route with additional rapids, bridge clearance, and lake exposure.
  • Private banks line portions of the reach. Plan all stops at public parks or clear emergency exits only.

Watch for

  • Shallow boulder gardens and scraping when the Delafield gauge is below the preferred window.
  • Fresh deadfall, low branches, and portage-worthy strainers in the narrow wooded channel.
  • Fast-rising water, cold spring-fed current, and limited bailout options between public parks.

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

Waiting on the gauge read.

Weather inputChecking

Waiting on weather.

Next stepChecking

Waiting on enough data to give the next step.

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 siteBark River at Nagawicka Road at Delafield, WI
DischargeChecking
Gauge heightChecking
24h trendChecking
24h changeChecking
Current bandChecking
Rain last 24hChecking
Rain last 72hChecking
Air tempChecking
Water tempChecking
WindChecking
GustsChecking
Rain timingChecking
Target band31 cfs to 60 cfs
Low threshold21 cfs
High threshold81 cfs
Evidence strength behind the rangeLocal route guidance
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreWisconsin River Trips Merton route levels and adjacent Hartland gauge ladder
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.

  • Exact route reportMerton Dam to Bark River Park, 4.9 miles

    Wisconsin River Trips documents the Merton-to-Hartland route, dam-area access, springs, boulder gardens, wood, and current route character.

    Source

  • Level evidence31 and 42 cfs observed; adjacent ladder 21/36/61/81 cfs

    WRT reports exact-route trips at 31 and 42 cfs on the Delafield gauge; its immediately downstream Hartland page gives the same-gauge low, good, high, and too-pushy bands.

    Source

  • Direct gaugeUSGS 05426067

    USGS operates the Bark River at Nagawicka Road at Delafield monitoring location downstream of the route on the same river.

    Source

  • Current gauge check22.3 cfs and 12.50 ft at 2026-07-16 19:00 CDT

    USGS Water Services returned a low-shoulder value during this run, below the preferred 31 cfs floor but above the 21 cfs low-but-viable shoulder.

    Source

  • Public accessMerton Millpond to Hartland's Bark River Park

    Village of Merton lists the Merton Millpond public boat launch, and Village of Hartland describes Bark River Park as a public riverfront park at the end of Church Street.

    Source

Check the source links

Paddler reports

See recent photos and notes from people on the route.

Help build the route page

Add photos or send a quick condition report.

Photos

Upload route photos

Add access, hazard, or on-water photos.

No files selected yet.

Compare another stretch on this river, or jump to nearby options before you pick a plan.

Bark River paddling FAQ

What water level is good for paddling Bark River?

Paddle Today watches Bark River at Nagawicka Road at Delafield, WI and treats 31 cfs to 60 cfs as the target band for this route, with weather and recent trend included in the final score.

Where does this Bark River route start and end?

This route starts at Merton Millpond / Firemen's Park downstream launch and ends at Bark River Park / Church Street, about About 4.9 mi on the water.

Is this Bark River route good for beginners?

This is listed as a moderate route. Expect more planning than an easy float, and use the live score, route notes, and source links before committing.

See something outdated?

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