Pennsylvania | Western Pennsylvania
Slippery Rock CreekEckert Bridge to Harris Bridge
A documented 3.5-mile lower Slippery Rock Creek run from Eckert Bridge to Harris Bridge in McConnells Mill State Park. Pennsylvania DCNR names the reach and endpoints; American Whitewater and local boater guidance tie runnable conditions to the Wurtemburg gauge.
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Need to know
Why this call
Safety
Route safety
CautionThis route has hazards or access considerations that require extra verification.
Safety details
This is a Class II–IV whitewater corridor whose difficulty changes with water level; it is for experienced paddlers with appropriate craft and rescue skills.
- Use the named Eckert Bridge access and Harris Bridge access. The lower run is downstream of the historic mill dam, but the broader corridor includes a mandatory dam portage; never run the dam and obey the park’s 50-foot boil exclusion.
- Treat 400–1000 cfs as an intermediate operating reference and below 150 cfs as too low; higher flows increase difficulty and hazards. These are not guarantees—inspect the live trend, weather, wood, and bridge approaches.
- Spring and fall are the documented boating seasons. Wear a PFD, use a shuttle, and do not attempt the reach alone or in a recreational boat unsuited to moving whitewater.
- No on-route camping was verified for this 3.5-mile reach; use only separately verified legal lodging or camping and follow Pennsylvania launch/registration rules.
Keep Slippery Rock Creek handy
Save this route in PaddleToday and check its conditions before your next paddle.
Route overview
Trip details
Access rules, camping, seasonal conditions and trip length.
Distance, difficulty, rules and camping
Plan ahead
Tomorrow and the weekend
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Plan
Plan your trip
Launch points, shuttle details, distance, and access notes.
Route logistics
Access and shuttle
A documented lower Slippery Rock whitewater reach with named state-park access, direct Wurtemburg gauge guidance, and a short shuttle.
Access map
Put-in
Eckert Bridge Access, McConnells Mill State ParkEckert and Harris access conditions, parking, and carry paths can change; verify on arrival.
Take-out
Harris Bridge Access, Mountville RoadDo not use private banks, closed roads, or informal roadside pull-offs.
Road shuttle
Access notes and hazards
Access caveats
- Eckert and Harris access conditions, parking, and carry paths can change; verify on arrival.
- Do not use private banks, closed roads, or informal roadside pull-offs.
Watch for
- Class II–IV rapids
- fast rises
- low-water rock contact
- strainers and bridge hazards
- cold water
- mandatory dam portage in the broader corridor
Plan this paddle
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Conditions
Water levels, gauge history, and hourly forecast
Check the forecast and local water levels before launching.
USGS measurements
More about this gauge
These measurements come from the gauge station. Water depth and current can differ along your trip.
River camera · USGS
View at the gauge
Slippery Rock Creek at Wurtemburg, PA. This view may be outside your paddling reach. Images are periodic and do not establish safe conditions.
Gauge detail
Water-level history and forecastDetailed view
Gauge note
No published water-level range for this trip · Slippery Rock Creek at Wurtemburg, PA
Does this gauge apply to my trip?
Slippery Rock Creek at Wurtemburg, PA does not establish suitable water levels for this trip. Check the access and hazard notes and ask locally about current conditions.
New to reading stage or flow? Read the paddler's gauge guide.
Gauge
Recent trend
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Gauge source
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Hourly forecast
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Route gallery
Photos
Check each caption: some photos show the surrounding area rather than this exact trip.

Sources
Data and sources
Read the access and hazard notes and check the linked guides. We do not issue a daily score for this trip.
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.
- Official route and endpointsEckert Bridge to Harris Bridge, approximately 3.5 miles
Pennsylvania DCNR’s McConnells Mill boating page explicitly identifies the extension from Eckert Bridge to Harris Bridge.
- Live direct gauge and runnable windowUSGS 03106500; 400–1000 cfs preferred, below 150 cfs too low
USGS supplies continuous discharge and stage telemetry; American Whitewater publishes the operating guidance for the lower run.
- Endpoint coordinatesEckert Bridge 40.940496,-80.176460; Harris Bridge 40.912008,-80.216728
Keel Hauler publishes the Eckert and Harris bridge coordinates; Harris Bridge coordinates are independently corroborated by topographic mapping.
- Public access and safetyMcConnells Mill State Park access; Class II–IV; mandatory dam portage in broader corridor
The Lawrence County water-trails brochure names Eckert and Harris access; DCNR publishes the whitewater and dam warnings.
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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Quick answers
Slippery Rock Creek paddling FAQ
What water level is best for the Eckert Bridge to Harris Bridge route on the Slippery Rock Creek?
This planning route has no live Paddle Today score. Review the linked water-level sources, current access notices and route-specific hazards before travel.
Where does the Eckert Bridge to Harris Bridge route on the Slippery Rock Creek start and end?
This route starts at Eckert Bridge Access, McConnells Mill State Park and ends at Harris Bridge Access, Mountville Road, Approximately 3.5 river miles on the water.
Is the Eckert Bridge to Harris Bridge route on the Slippery Rock Creek suitable for beginners?
This is listed as a hard route. Review the difficulty notes, hazards and current access conditions against your group's skills. No live score assesses this trip.
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