See all 5 routes on Upper Iowa River
Iowa | Northeast Iowa
Upper Iowa RiverTrout Run Park to Lower Dam
Long Decorah-area Upper Iowa day where the main decision is still low water. This stays scenic and approachable above its floor, but the high side of the range is still not well defined.
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Route location
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Route overview
Trip details
Access rules, camping and seasonal notes.
Permits, camping and season
Access and shuttle
Launch at Trout Run Park and finish at the Lower Dam access below Decorah. This is a scenic beginner-friendly Upper Iowa day, but the 13-mile length, low-water scraping risk, and the marked dam portage still make it a real commitment.
Access map
Put-in
Trout Run Park (Decorah)Decorah park materials show canoe access in the Trout Run corridor, but the park is still big enough that you should locate the launch before unloading.
Take-out
Lower Dam accessIowa DNR treats Lower Dam as a real public access, but Miles Paddled reports weak signage and a rougher take-out approach, so identify the exit before committing.
Road shuttle
Expect about a 9.7-mile vehicle or bike shuttle. Miles Paddled treats this as a real full-day reach, so set the pickup plan and turnaround time before launching.
Additional access notes
- Treat this as a full-day shuttle-and-portage plan, not a casual quick float.
More route and safety guidance
- Use the marked river-right portage around Upper Dam; the Trout Run-to-Lower Dam trip depends on completing this carry safely.
- Treat 150 cfs at Decorah as only a low-water floor. Low water can expose scraping and shoals, while no source-backed high-water cutoff exists for this reach.
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Conditions
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Station details and river cameras
Station observations
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Measurement notes and coverage
These are observations at the station. Water depth and current can differ along your trip.
River camera · USGS
View at the gauge
Upper Iowa River near Decorah, IA. This view may be outside your paddling reach. Images are periodic and do not establish safe conditions.
Photos and recent reports
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Paddler reports
Recent notes from paddlers
A few quick notes from people who were on this route recently.
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Sources and methodology
Review source dates and published guidance below. We have not inspected this trip in person.
Why this scoreData reliability: checking
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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Data behind the scoreWater levels, published guidance and update times
These readings and published water-level limits help explain today’s score.
| Gauge site | Upper Iowa River near Decorah, IA |
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| Preferred range | Needs paddler reports |
| Known low-water floor | 150 cfs |
| High threshold | Water-level guidance unavailable |
| Evidence strength behind the range | Local route guidance |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | MilesPaddled Upper Iowa River VI minimum-flow note |
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NotesPublished evidence and verification notes
These notes cover the access details, route quirks, and source caveats most likely to matter once you get there.
- Published minimum150 cfs
MilesPaddled recommends at least about 150 cfs near Decorah to avoid a scrape-heavy day on this reach.
- Trip length13 miles
This is a long day trip. Even with easy current, low water and a dam portage change the decision more than a score alone might suggest.
- Primary hazardUpper Dam portage
Treat the Lower Dam finish as a dam-safety route, not just a long scenic float. Never approach the dam face in current.
- Trout Run launch supportDecorah park-system canoe access
Decorah park materials show canoe access in the Trout Run / Ice Cave corridor, which materially improves confidence in the city-side launch.
- Lower Dam access supportPopular public access below Decorah
Iowa DNR Fish Iowa treats Lower Dam as a popular public access roughly 11 miles northeast of Decorah, which is stronger endpoint support than the old route notes alone.
- DifficultyEasy
Comfortable for newer paddlers at workable levels if they are prepared for the mileage and portage.
Verify it yourselfCheck the source links
Use these links to double-check the gauge, route details, and access notes before you head out.
Other routes nearby
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All 5Nearby routes within 75 miles
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