Iowa | Northeast Iowa

North Fork Maquoketa RiverOzark Bridge / 21st Ave to Caven Bridge Access

Short Ozark Wildlife Area run on the North Fork Maquoketa, with steep Driftless bluffs, boulders, easy riffles, and a direct Fulton gauge ladder.

Route location

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Distance4.4 mi
DifficultyModerate
Typical timeAbout 2 hr
ShuttleCar shuttle
The North Fork Maquoketa River flows past wooded banks in northeast Iowa.
River contextNorth Fork Maquoketa River river-level photo — not necessarily this exact reach.Photo by Tim Kiser
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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 Jackson County water-trail signs, posted road-right-of-way rules, and Ozark Wildlife Area restrictions.
CampingOptions nearbyDo not assume legal river camping on this short route. Jackson County lists primitive camping for some water-trail contexts, but site permission and land ownership should be confirmed separately before planning an overnight.
SeasonApr-OctSpring and fall are the best scenery windows because leaf-off conditions expose more cliffs and boulders. Heavy rain can quickly make the North Fork pushy and turbid, while dry late-summer periods can make riffles too shallow.

Access and shuttle

Launch from the Ozark Bridge / 21st Ave access area near 185th Street and take out at the east-bank Caven Bridge Access on 60th Ave. This short Ozark Wildlife Area route has fast current, easy riffles, boulders, and steep Driftless bluffs.

Access map

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Put-in

Ozark Bridge / 21st Ave access area
DirectionsOpen map

Ozark Bridge is an undeveloped access rather than a managed ramp. Jackson County marks it as not managed by JCCB, and WRT describes using a public pull-off and faint trail near 185th Street instead of the tall bridge bank.

Finish

Take-out

Caven Bridge Access / 60th Ave
DirectionsOpen map

Caven Bridge Access is the named public take-out at 60th Ave, but the bridge has been removed. Use the east-bank public side; WRT notes the west bank is private and requires permission.

Road shuttle

Use a short but hilly gravel-road two-car shuttle between the 21st Ave / 185th Street access area and the east-bank Caven Bridge Access at 60th Ave. Scout the take-out first because the old bridge is gone and west-bank use is private.

Additional access notes
  • Coordinates come from Jackson County water-trail table coordinates rounded to two decimals. Use road names, signs, and same-day scouting to pinpoint the practical launch and carry-out paths.
More route and safety guidance
  • Ozark Bridge / 21st Ave is an undeveloped public pull-off and faint-trail access rather than a managed ramp. Caven is the named east-bank public take-out; the west bank is private.
  • The old Caven bridge is gone, and both gravel-road approaches can be steep or muddy. Scout the carry paths and vehicle turnaround before committing to the short route.
  • Use only public road-right-of-way and water-trail access, wear a properly fitted PFD, and account for cold water, fast rises, limited cell service, and private-property boundaries.
Terms and safety
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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
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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.

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Water levels, published guidance and update times

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

Gauge siteNorth Fork Maquoketa River near Fulton, IA
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Preferred range231 cfs to 400 cfs
Low threshold150 cfs
High threshold701 cfs
Evidence strength behind the rangeLocal route guidance
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Main source behind this scoreWisconsin River Trips North Fork Maquoketa Ozark gauge ladder
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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.

  • Official access tableOzark Bridge and Caven Bridge Access

    Jackson County Conservation lists Ozark Bridge as an undeveloped North Fork water-trail access near 21st Ave / 187th Street and Caven Bridge Access at 60th Ave, with coordinates published for both access areas.

    Source

  • County river contextCascade to Ozark / Caven corridor

    Jones County describes the North Fork below Cascade as a remote scenic paddling corridor and says paddlers can take out in Jackson County at Ozark Bridge on 21st Ave or Caven Bridge Access on 60th Ave.

    Source

  • Published route report21st Ave / 185th Street to 60th Ave

    Wisconsin River Trips documents this 4.4-mile Ozark Wildlife Area route with steep bluffs, boulders, swift current, easy Class I riffles, and undeveloped public east-bank access notes.

    Source

  • Target range231 to 400 cfs

    WRT treats 231 to 300 cfs as average and good for paddling, and 301 to 400 cfs as above average but still good, using the North Fork Maquoketa River near Fulton gauge.

    Source

  • Low and high cutoffs<150 cfs / 701+ cfs

    The same route ladder says less than 150 cfs may be too shallow and 701 to 1000 cfs is very high, perhaps only suitable for advanced paddlers; the app uses 701+ cfs as the broad recreational high-water cutoff.

    Source

  • Direct gaugeUSGS 05418400

    USGS operates North Fork Maquoketa River near Fulton, IA, a live same-river gauge downstream of the Ozark Wildlife Area route and the gauge used by the route report.

    Source

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