Iowa | Northwest Iowa

Little Sioux River

Linn Grove Dam Area to Riverside Little Sioux Access

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Start with the verdict, current conditions, route plan, and quick facts before you commit to the drive.

LevelCheckingChecking
TrendCheckingChecking 24h change
WeatherLoadingAir: No reading
RainLoadingRecent rain: Checking

Recent trend

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Best window today

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Short-route forecast

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DifficultyeasyCanWePaddle rates the reach Class I. The dam-adjacent launch, strainers, private banks, and fast-rising prairie runoff keep this as a caution route.
PermitsNone notedNo route-specific paddling permit is known. Use public county accesses only, follow Iowa boating/PFD rules, and obey county park and camping rules.
CampingOptions nearbyEndpoint camping is available at Linn Grove Dam Area according to Buena Vista County. Do not assume camping at Peterson unless separately reserved or posted.
SeasonMay-SepCanWePaddle identifies May through September as the normal season, with spring high water and late-summer low water as recurring limits.

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

Paddle the Little Sioux River from Linn Grove to Peterson using the direct Linn Grove gauge. The route starts beside a documented low-head dam area, so below-dam launch discipline is mandatory.

Start

Put-in

Linn Grove Dam Area below-dam launchOpen map

The Linn Grove Dam Area includes a low-head dam. Never approach the dam from upstream and do not launch where current feeds toward the dam.

Finish

Take-out

Riverside Little Sioux AccessOpen map

The Peterson take-out coordinate is an address/park-area anchor for Riverside Little Sioux Access, not a surveyed ramp point.

Pulling access map tiles. Usually under 5 seconds.

Access caveats and watch for

Access caveats

  • The Linn Grove Dam Area includes a low-head dam. Never approach the dam from upstream and do not launch where current feeds toward the dam.
  • The Peterson take-out coordinate is an address/park-area anchor for Riverside Little Sioux Access, not a surveyed ramp point.
  • Respect private banks and use public access areas only.

Watch for

  • Low-head dam hydraulics at Linn Grove, especially during higher water.
  • Fast rises after rain, floating wood, cutbank strainers, shallow riffles near the low end of the range, and cold spring water.
  • Remote-feeling bends where road access and rescue options are limited.

Check the data behind today's call.

Use this section when the page shows stale data, limited confidence, or a call you want to verify before driving.

Read quality
Checking live inputs.

Pulling the latest gauge and weather. Usually under 10 seconds.

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Today's data confidence is checking

Data confidence mostly comes down to three things: how direct the gauge is, how clear the range is, and how fresh the data is.

  • Checking data confidence notes.
Tomorrow and weekend

This is a cautious early look. If the data is too thin, we leave it out.

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Gauge, thresholds, and timing

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

Gauge siteLittle Sioux River at Linn Grove, IA
DischargeChecking
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Target band100 cfs to 1,500 cfs
Low threshold100 cfs
High threshold1,500 cfs
Data confidence behind the rangeLocal route guidance
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreCanWePaddle Linn Grove to Peterson 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.

  • Current gauge check264 cfs / 5.65 ft at 2026-07-22 21:00 CDT

    USGS Water Services returned current Linn Grove discharge and stage during this run.

    Source

  • Threshold range100-1,500 cfs

    CanWePaddle ties the Linn Grove-to-Peterson section to USGS 06605850 and estimates a 100 to 1,500 cfs runnable window.

    Source

  • Public endpointsLinn Grove Dam Area to Riverside Little Sioux Access

    Buena Vista County documents the Linn Grove Dam Area boat ramp and camping; Clay County documents Riverside Little Sioux Access with canoe/kayak access and parking.

    Source

Check the source links

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Little Sioux River paddling FAQ

What water level is good for paddling Little Sioux River?

Paddle Today watches Little Sioux River at Linn Grove, IA and treats 100 cfs to 1,500 cfs as the target band for this route, with weather and recent trend included in the final score.

Where does this Little Sioux River route start and end?

This route starts at Linn Grove Dam Area below-dam launch and ends at Riverside Little Sioux Access, about About 9 mi on the water.

Is this Little Sioux River route good for beginners?

This is listed as an easy route, but conditions still matter. Check today's score, water level, weather, and access notes before you go.

See something outdated?

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