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South Dakota | Hudson / Hawarden Border
Big Sioux River
Oak Ridge Public Water Access to Oak Grove County Park
Check current paddling conditions for this Big Sioux River route, including water level, recent gauge trend, weather, and route details.
Route location
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Need to know
Why this call
Conditions
Gauge history and hourly forecast
The top card is the quick read. This lower section keeps the longer gauge trend, gauge context, and hourly forecast together.
Gauge detail
Gauge history & hourly forecastDetailed view
Gauge
Recent trend
Checking preferred range.
Checking trend.
Gauge source
--Checking timestampMN DNR provides the current paddling level here, but not chart-ready recent samples.
Weather
Hourly forecast
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Next 8 hours
Short-route forecast
Checking the next several hours.
Route overview
Quick facts and what's next
Distance, difficulty, shuttle basics, and the near-term outlook before you commit to the drive.
Quick facts
Plan ahead
Upcoming outlook
These are early planning reads. Re-check live conditions before you commit to the drive.
Waiting on forecast.
Waiting on forecast.
Plan
Plan your trip
Launch points, shuttle details, distance, and access notes.
Route logistics
Access and shuttle
Launch from Oak Ridge Public Water Access and take out at Oak Grove County Park for the 11.1-mile lower Jay Heath Trail segment named by Sioux Empire Paddlers and supported by GFP access records. Use USGS 06485500 at Akron as the lower-corridor gauge and treat 400 cfs as the conservative low-water floor.
Prepare this trip
Take the plan with you
Download the canonical route, add a calendar hold, or send a simple float plan to your group.
Put-in
Oak Ridge Public Water Access concrete launchGFP's Jay Heath access layer marks Oak Ridge Public Water Access as Parking Yes, Launch Yes, Camping No, and a concrete launch surface owned and managed by SD GFP.
Take-out
Oak Grove County Park concrete launchGFP's layer marks Oak Grove County Park as Parking Yes, Launch Yes, Camping Yes, and a concrete launch surface managed by Sioux County Conservation.
Plan this segment
Pulling access map tiles. Usually under 5 seconds.
Access caveats and watch for
Access caveats
- GFP's Jay Heath access layer marks Oak Ridge Public Water Access as Parking Yes, Launch Yes, Camping No, and a concrete launch surface owned and managed by SD GFP.
- GFP's layer marks Oak Grove County Park as Parking Yes, Launch Yes, Camping Yes, and a concrete launch surface managed by Sioux County Conservation.
- MyCountyParks says Oak Grove / Big Sioux Park has boat-ramp access to the Big Sioux River, fee camping, and daily park hours; verify current rules before relying on campground or rental services.
- The route follows the Big Sioux border corridor. Stay within legal public access, respect private banks, and do not treat nearby road crossings or private ramps as casual bailout points.
Watch for
- Shallow bars, scraping, and slow current when the Akron gauge is below the 400 cfs community floor.
- Wood, strainers, bridge debris, bank mud, fences, or wire after rain or high water.
- Agricultural and urban water-quality concerns on the lower Big Sioux, especially after heavy rain or visible runoff.
- An 11-mile open border-river day with wind exposure, limited intermediate public egress, and muddy landings.
Route gallery
See this route on the water
Photos help show what the access looks like and what the route actually feels like on the water.
No approved route photos yet
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Score & sources
Why this score
See the gauge, weather, and source notes behind today's call.
Why this scoreToday'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.
- Checking evidence-strength notes.
- Checking evidence cautions.
Data behind the scoreGauge, thresholds, and timing
These are the live readings and threshold notes behind today's score.
| Gauge site | Big Sioux River at Akron, IA |
| Discharge | Checking |
| Gauge height | Checking |
| 24h trend | Checking |
| 24h change | Checking |
| Current band | Checking |
| Rain last 24h | Checking |
| Rain last 72h | Checking |
| Air temp | Checking |
| Water temp | Checking |
| Wind | Checking |
| Gusts | Checking |
| Rain timing | Checking |
| Ideal range | Needs paddler reports |
| Known low-water floor | 400 cfs |
| High threshold | Not calibrated yet |
| Evidence strength behind the range | Local route guidance |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | Sioux Empire Paddlers Big Sioux River Akron flow guidance |
| Gauge source | Checking |
| Weather source | Checking |
| Rainfall source | Checking |
NotesWhat 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-specific guideOak Ridge PWA to Oak Grove County Park; 11.1 mi
Sioux Empire Paddlers lists Oak Ridge PWA to Oak Grove County Park in its Big Sioux Circuit, and the GFP Jay Heath access layer stores Oak Ridge's next segment mileage as 11.1 water miles.
- Public put-inOak Ridge Public Water Access concrete launch
The GFP Jay Heath access layer marks Oak Ridge Public Water Access as Parking Yes, Launch Yes, Camping No, concrete launch surface, and SD GFP-owned/managed.
- Public take-outOak Grove County Park concrete launch
The GFP Jay Heath access layer marks Oak Grove County Park as Parking Yes, Launch Yes, Camping Yes, concrete launch surface, and Sioux County Conservation-managed. MyCountyParks separately says paddlers may launch from the park boat ramp into the Big Sioux River.
- Lower-corridor gaugeUSGS 06485500
USGS operates the Big Sioux River at Akron, IA, downstream on the same lower Big Sioux corridor named by the local Akron flow guidance. During implementation review, Water Services returned 521 cfs and 4.99 ft at 2026-08-07 15:00 CDT.
- Low-water floor400 cfs minimum-only
Sioux Empire Paddlers lists Big Sioux River Akron Iowa as ideal above 400 cfs. The app uses that lower-corridor guidance as a minimum-only floor and does not infer an upper cutoff.
- Camping statusEndpoint campground at Oak Grove
The GFP access layer marks Oak Ridge Public Water Access as Camping No and Oak Grove County Park as Camping Yes. MyCountyParks documents fee camping at Oak Grove / Big Sioux Park; route copy treats camping as separate campground use, not informal river camping.
- Safety contextFence, wood, water-quality, private-bank, wind, and non-extension context
GFP warns that fences cross many navigable South Dakota streams, and Friends of the Big Sioux points paddlers toward current river access and water-quality resources. Treat the route as a defined Oak Ridge-to-Oak Grove day segment.
- Coordinate auditAccess anchors reviewed
The generated coordinate audit measures Oak Ridge 189 ft from the named Big Sioux flowline / 135 ft from NHD waterbody and Oak Grove 215 ft from the named Big Sioux flowline / 131 ft from NHD waterbody. Both are GFP-published concrete-launch access anchors, so route copy tells paddlers to follow signed on-site water-entry and landing conditions.
- Gallery imageNo image selected
Bounded review of SD GFP, Sioux Empire Paddlers, Sioux County/Oak Grove park pages, Wikimedia Commons, and same-route image leads did not find a clearly rights-clean exact-route reusable gallery asset.
Verify it yourselfCheck the source links
Use these links to double-check the gauge, route details, and access notes before you head out.
Paddler reports
Recent notes from paddlers
A few quick notes from people who were on this route recently.
Reports
Paddler reports
See recent photos and notes from people on the route.
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More routes to check next
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Quick answers
Big Sioux River paddling FAQ
What water level is good for paddling Big Sioux River?
Paddle Today watches Big Sioux River at Akron, IA and uses 400 cfs as the conservative low-water floor for this route. The ideal range still needs more paddler reports.
Where does this Big Sioux River route start and end?
This route starts at Oak Ridge Public Water Access concrete launch and ends at Oak Grove County Park concrete launch, about About 11.1 mi on the water.
Is this Big 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.
Flag a change
See something outdated?
Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.