Iowa | North Central Iowa

Boone River

Albright's Canoe Access to Tunnel Mill Canoe Access

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DifficultymoderateHamilton County calls this one of the most remote Boone sections and says the first two miles below Albright have the highest gradient on the Boone, with Class I-II rapids that require maneuvering.
PermitsNone notedNo route-specific paddling permit is known. Use public water-trail accesses, follow Iowa boating/PFD rules, and respect posted hunting, parking, and wildlife-area rules.
CampingOptions nearbyTreat this as a day route. Bell's Mill Park downstream has campground context for a base-camp trip, but no legal on-route campsite was confirmed between Albright and Tunnel Mill.
SeasonApr-OctSpring and early summer usually offer the cleanest depth. Long dry spells expose bony riffles and the Tunnel Mill drop, while rain can quickly make the remote bends and wood more consequential.

Dial in the shuttle, distance, and access.

Use this section once the route looks viable and you need to turn it into an actual trip plan.

Access, shuttle, and map

Launch at Albright's Canoe Access and take out at Tunnel Mill for the remote, faster-gradient lower-Boone continuation. Use the Webster City gauge conservatively, avoid private Bevers Bridge access, and be ready for Class I-II rapids, boulders, wood, and the Tunnel Mill Dam remains.

Start

Put-in

Albright's Canoe AccessOpen map

Albright's Canoe Access is an Iowa DNR-owned / Hamilton County-managed canoe access. Inspect the landing before launch because this route begins immediately in a faster-gradient section.

Finish

Take-out

Tunnel Mill Canoe AccessOpen map

Tunnel Mill provides river access and parking for vehicles and canoe trailers, but it is a rural wildlife-management access rather than a staffed park.

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Access caveats and watch for

Access caveats

  • Albright's Canoe Access is an Iowa DNR-owned / Hamilton County-managed canoe access. Inspect the landing before launch because this route begins immediately in a faster-gradient section.
  • Tunnel Mill provides river access and parking for vehicles and canoe trailers, but it is a rural wildlife-management access rather than a staffed park.
  • Bevers Bridge is not a routine access for this route. Hamilton County specifically notes that its canoe access is private property.
  • The selected gauge is direct and same-river but upstream of this lower segment. Make a visual call for depth and wood before leaving Albright.

Watch for

  • Class I-II rapids, boulder gardens, outside-bend strainers, and fast current during the first two miles below Albright.
  • The abrupt shallow drop and old Tunnel Mill Dam remains near the lower part of the route. Scout or carry if the line is not obvious.
  • Low water below about 120 cfs at Webster City, when bony riffles and the Tunnel Mill drop become more likely.
  • High water around or above 1,500 cfs at Webster City, when Hamilton County recommends the river only for advanced canoeists.
  • Private banks, limited exits, cold water, and delayed rescue in the remote valley.

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Gauge, thresholds, and timing

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

Gauge siteBoone River near Webster City, IA
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Target band120 cfs to 1,100 cfs
Low threshold120 cfs
High threshold1,500 cfs
Data confidence behind the rangeOfficial and local sources
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Main source behind this scoreCanWePaddle Boone River Webster-City-to-Stratford range and Hamilton County cfs guidance
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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.

  • Route segmentAlbright to Tunnel Mill, 7.5 mi

    Hamilton County touring information lists Albright Canoe Access to Tunnel Mill Canoe Access as a 7.5-mile section with average float time around 3.5 hours in normal conditions.

    Source

  • Published range120 to 1,500 cfs

    CanWePaddle publishes an estimated runnable range of 120 to 1,500 cfs for the broader Webster City to Stratford Boone River route using USGS 05481000.

    Source

  • County cfs guidance<=1,100 cfs novice, 1,500+ cfs advanced

    Hamilton County says 1,100 cfs or below is good for inexperienced canoeists and 1,500 cfs and above is recommended for advanced canoeists only.

    Source

  • Current gauge checkUSGS 05481000 at 147 cfs / 2.12 ft

    USGS Water Services returned Boone River near Webster City values of 147 cfs and 2.12 ft at 2026-07-22 18:00 CDT.

    Source

  • HazardsClass I-II, Bevers private access, Tunnel Mill Dam remains

    Hamilton County describes Class I-II rapids, the private-property status of Bevers Bridge access, and an abrupt shallow drop from Tunnel Mill Dam remains about 4.5 miles below Bevers Bridge.

    Source

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Boone River paddling FAQ

What water level is good for paddling Boone River?

Paddle Today watches Boone River near Webster City, IA and treats 120 cfs to 1,100 cfs as the target band for this route, with weather and recent trend included in the final score.

Where does this Boone River route start and end?

This route starts at Albright's Canoe Access and ends at Tunnel Mill Canoe Access, about About 7.5 mi on the water.

Is this Boone 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.

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