Iowa | Central Iowa

North Raccoon River

Hyde Park Access to McMahon Access

Route planning details, access notes, and local verification guidance.

Route location

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DistanceAbout 13.5 mi
DifficultyModerate
Typical timeLong day
ShuttleCar shuttle
A historic concrete arch bridge spans the North Raccoon River at Lake City, Iowa.
River contextNorth Raccoon River at Lake City river-level photo — not necessarily this exact reach.Photo by Historic American Engineering Record

Need to know

Why this call
This route is documented for planning, but does not receive a Paddle Today score.
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Gauge history and hourly forecast

Use the gauge context and hourly forecast to verify local conditions before launching.

Gauge history & hourly forecastDetailed view

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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.

DifficultymoderateDNR recommends this Hyde-to-McMahon segment for intermediate paddlers because of its length, frequent downed trees, and multiple rock-dam hazards.
PermitsNone notedNo route-specific paddling permit is known. Use marked public accesses only, follow Iowa boating/PFD rules, and respect non-meandered-stream private-property limits.
CampingOptions nearbyHyde Park provides endpoint campground support at the put-in. McMahon is documented as a day-use boat-ramp and fishing-riffle access.
SeasonMay-SepLate spring through early fall is the normal planning window. Rain can quickly turn the wooded bends and rock-dam approaches pushy, and summer lows can make riffles and access drops scrapey.

Upcoming outlook

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

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Plan your trip

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

Access and shuttle

Launch at Hyde Park and paddle the longer Greene County North Raccoon split through Brown Bridge to McMahon Access.

Plan a shorter segmentOptional

Pick a shorter segment

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

On-water distanceAbout 13.5 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.

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

Start

Put-in

Hyde Park Access
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Start below or otherwise avoid the Hyde Park rock dam unless a land scout and skill assessment make conditions clearly appropriate.

Finish

Take-out

McMahon Access
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Brown Bridge is an official intermediate access and rock-dam area; confirm current public access from land.

Plan this segment

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Access caveats and watch for

Access caveats

  • Start below or otherwise avoid the Hyde Park rock dam unless a land scout and skill assessment make conditions clearly appropriate.
  • Brown Bridge is an official intermediate access and rock-dam area; confirm current public access from land.
  • DNR places McMahon below another rock dam and notes no obvious portage on the map.

Watch for

  • Rock dams at Hyde Park, Brown Bridge, and near McMahon.
  • Downed trees and log piles.
  • Long rural mileage and limited alternate exits.

Data and sources

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

Read quality
Checking live inputs.

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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.

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Gauge, thresholds, and timing

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

Gauge siteNorth Raccoon River near Jefferson, IA
DischargeChecking
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24h trendChecking
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Rain last 24hChecking
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Air tempChecking
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Rain timingChecking
Target band150 cfs to 2,000 cfs
Low threshold150 cfs
High threshold2,000 cfs
Evidence strength behind the rangeLocal route guidance
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreCanWePaddle North Raccoon Jefferson to Cooper estimated range
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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 route and mileageHyde Park to McMahon, 13.5 mi

    Iowa DNR names Hyde Park Access to Brown Bridge to McMahon Access as a 13.5-mile section.

    Source

  • Public McMahon endpointConcrete boat ramp and parking

    Greene County / MyCountyParks describes McMahon Access as a concrete boat ramp with parking and fishing riffle.

    Source

  • Threshold range150-2,000 cfs

    CanWePaddle ties the Jefferson-to-Cooper corridor to USGS 05482500.

    Source

  • Current gauge check228 cfs / 5.14 ft at 2026-07-23 15:15 CDT

    USGS Water Services returned current North Raccoon near Jefferson data during this run.

    Source

Check the source links

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North Raccoon River paddling FAQ

What water level is good for paddling North Raccoon River?

Paddle Today watches North Raccoon River near Jefferson, IA and treats 150 cfs to 2,000 cfs as the target band for this route, with weather and recent trend included in the final score.

Where does this North Raccoon River route start and end?

This route starts at Hyde Park Access and ends at McMahon Access, about About 13.5 mi on the water.

Is this North Raccoon 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.