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Fly fishing report · Northeast
Slippery Rock Creek
A western Pennsylvania gorge report for anglers planning Slippery Rock Creek around the Wurtemburg gauge, Armstrong Bridge fly water, and steep-gorge safety.
Check flow & weatherToday's fishing decisionMost live data available
38
Skip today
Verify conditions before committing.
Current USGS flow is 233 cfs. It has risen about 16% over the past 6 hours. Today's flow is high for this date; the upper end of the normal range is near 194 cfs. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.
Best supported approachCheck the water first
Watch nextFlow: Current USGS flow is 233 cfs. It has risen about 16% over the past 6 hours.
Updated Aug 3, 1:12 AM UTCUsually refreshes about every 45 minutes
Before choosing how to fishCheck the water first
There is not enough reliable current information to recommend wading, bank fishing, or floating.
Check before you drive
Current flow and weather.
Look at whether the river is rising or falling, then check wind, rain, and storms. These can change both safety and fishing.
Loading current flow and weather.
Before you rely on this report
How current is this report?
Conditions can change quickly. Check these dates before you decide to fish, and open the official source when safety or rules matter.
- River conditions
- Checked Aug 2, 2026, 9:12 PM
- Fishing guidance
- Reviewed Jun 2, 2026
- Public access
- No reviewed map pin available
- Rules and closures
- Official rule links checked
High confidence in the current score inputs.
8 sources are listed below for you to open.
4 public access records are listed. Private spots are never shown.
Source checked Jul 30, 2026
Plan your access
Know where you can enter.
These are public parking, launch, trail, or recreation areas—not secret fishing spots. We never show an angler's private pins, notes, or photos here.
- 0
- Shown on map
- 4
- No map pin
Location checkedDescription only
01No map pin
Roadside access
Armstrong Bridge
The park's fly-fishing-only, catch-and-release reference point and the cleanest trout-specific access on the page.
Restrictions and seasonal notes
The park map marks the catch-and-release fly-fishing-only stretch and the main bridge access points; use it before you leave cell service.
Some of the best-looking water sits below steep trails and polished rock. If you are questioning the entry, that is the answer.
02No map pin
Roadside access
Rose Point to Eckert Bridge corridor
A public access and float reference zone identified by DCNR's whitewater guidance.
Restrictions and seasonal notes
The park map marks the catch-and-release fly-fishing-only stretch and the main bridge access points; use it before you leave cell service.
Some of the best-looking water sits below steep trails and polished rock. If you are questioning the entry, that is the answer.
03No map pin
Roadside access
Eckert Bridge to Harris Bridge
A longer lower corridor for experienced boaters or anglers using bridge access rather than deep-gorge hiking.
Restrictions and seasonal notes
The park map marks the catch-and-release fly-fishing-only stretch and the main bridge access points; use it before you leave cell service.
Some of the best-looking water sits below steep trails and polished rock. If you are questioning the entry, that is the answer.
04No map pin
Trailhead
Historic mill and Kildoo area
A scenic public base with quick trail access, but not a place to get casual about current or slick rock.
Restrictions and seasonal notes
The park map marks the catch-and-release fly-fishing-only stretch and the main bridge access points; use it before you leave cell service.
Some of the best-looking water sits below steep trails and polished rock. If you are questioning the entry, that is the answer.
How to fish it
This is a hazard-first trout and bass river, not a casual blind-wading stop.
Slippery Rock Creek can fish very well, but only when the level, the entry point, and the exact reach make sense together. McConnells Mill gives you real public access and a fly-only catch-and-release section near Armstrong Bridge, yet the same gorge that makes the creek scenic also makes mistakes expensive.
- Use RiverReports for the fast chart and USGS 03106500 at Wurtemburg for the official gauge reference.
- DCNR says fishing is allowed anywhere along Slippery Rock Creek in the park except the dam structures, and identifies a fly-fishing-only, catch-and-release area by Armstrong Bridge.
- The park also warns that the gorge holds smooth slippery rocks, deep pools, rapids, swift current, and a real history of serious accidents.
- This is a trout-and-bass creek. Fly anglers usually do best by choosing one access and fishing it carefully instead of trying to force a full-gorge tour.
Why the score looks this way
FlowUse caution
USGS shows 233 cfs with a rising about 16% over about 6 hours trend. Today's flow is high for this date; the upper end of the normal range is near 194 cfs. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.
Short-term weatherUse caution
The forecast has storm or heavy-precipitation risk, so timing and access matter more than the score alone.
Public alertUse caution
A Flood Watch is active near this forecast point, so the score is capped until runoff, clarity, crossings, and road access are checked. NWS alert: Flood Watch issued August 2 at 1:45PM EDT until August 3 at 12:00AM EDT by NWS Pittsburgh PA.
SeasonHelps score
Early summer: Still useful for trout in cooler windows, with bass becoming more relevant as heat builds.
WeatherHelps score
The NWS forecast is about 74F with Showers And Thunderstorms.
Read the water
What changes the plan.
The best days are moderate flows with enough room to fish seams from the bank or from very controlled entries. High whitewater conditions, stained post-rain water, or slick-rock flow spikes should push the plan toward scouting or another river.
Moderate clear flow
Best for controlled wading near public access, nymphs through seams, and short streamer swings.
Low clear water
Use stealth, fish mornings or evenings, and stay honest about fish pressure.
Whitewater push
Treat as a no-wade day unless you are staying on the bank in a safe accessible section.
Warm summer water
Shift toward bass or another trout option if temperature and handling risk climb.
Your trip plan
Know when to go—and when to skip it.
Best flows
Use the Wurtemburg trend more than a fixed number. Stable or slowly falling, clear edge water is the most useful signal.
When to skip
Skip or scale back when the creek is rising, stained, whitewater-heavy, slick at entries, too warm for trout, or crowded at bridge water.
Local plan
Start with the Wurtemburg gauge, then pick Armstrong Bridge trout water only if flow, footing, and current Pennsylvania rules line up.
Backup water
Compare Oil Creek, Kettle Creek, or Spring Creek when Slippery Rock is high, stained, warm, or unsafe to enter.
Hatches & flies
Bring a flexible box.
TimingWhat to watchUseful flies
March-AprilMidges, BWOs, early stonesMidge pupa, pheasant tail, black stone, BWO emerger
Fly family · report suggests “Midge pupa”Midge Patterns by StageMidge wording can mean a threadlike larva, wing-padded pupa, film emerger, tiny adult, or visible cluster. Those profiles fish at different depths.See family guide ↗
Fly pattern · report suggests “pheasant tail”Pheasant Tail NymphThe pilot page distinguishes the sparse original idea from the bulkier American form. Both use pheasant-tail fibers and copper wire, but bead heads, peacock-herl thoraxes, legs, flashbacks, jig hooks, and soft-hackle collars are variations that must be labeled.See photos & how to fish it ↗+ 2 more reviewed guides in the Fly Box April-JuneCaddis, March brown-style mayflies, Hendrickson-style mayfliesElk hair caddis, March Brown, hare's ear, soft hackle
Fly pattern · report suggests “Elk hair caddis”Elk Hair CaddisLook for a tented elk- or deer-hair wing, clipped hair head, dubbed body, rib, and hackle palmered along the body. The body color should be labeled because tiers often match different natural caddis colors.See photos & how to fish it ↗
Fly family · report suggests “March Brown”March Brown Dry FliesThis family includes traditional hackled, parachute, and Comparadun-style March Brown dries. Each exact construction rides differently and should be named when known.See family guide ↗+ 2 more reviewed guides in the Fly Box July-AugustTerrestrials, caddis, warmwater baitfish windowsFoam ant, beetle, bugger, small baitfish streamer
Fly family · report suggests “Foam ant”Ant PatternsAnt patterns can be foam, fur-bodied, winged, or sunken. The narrow waist and paired body lobes matter more than one material recipe.See family guide ↗
Fly family · report suggests “beetle”Beetle PatternsBeetle flies range from simple foam shells to hair-bodied and sunken forms. A rounded back and compact profile distinguish the family from ants and hoppers.See family guide ↗+ 2 more reviewed guides in the Fly Box September-OctoberCaddis, olives, streamer conditionsBWO dry, caddis pupa, olive bugger, leech
Fly family · report suggests “BWO dry”Blue-Winged Olive PatternsBWO describes a hatch group, not one fly. Nymph, emerger, dry, cripple, and spinner profiles must stay separate because they occupy different parts of the water column.See family guide ↗
Fly family · report suggests “caddis pupa”Caddis Pupa PatternsCaddis pupa is a life-stage family. Curved bodies, wing pads, legs, beads, and soft-hackle collars differ among exact patterns and must be labeled.See family guide ↗+ 2 more reviewed guides in the Fly Box 01
Pick one access point and fish it well. The creek fishes better when you stop chasing the whole gorge and match your rig to one safe entry.
02
Use the Armstrong Bridge fly-only water when you want the clearest trout-focused plan. Elsewhere, treat trout and bass as coexisting options rather than forcing one species story.
03
If the current is pushy, fish from the bank, work softer inside edges, and do not wade just because the run looks reachable.
04
A short nymph rig or soft-hackle swing usually makes more sense than long drifts in this broken, hazard-heavy water.
Rules & closures
Check the official rules before you go.
Open the agency page to confirm the exact river section, species, season, tackle rules, limits, and emergency closures.
Official links checkedRules for this river or sectionNo special rule found
We did not find a special rule for this river.
We checked the state source but did not find a clearly supported exception for this river. Check the official rules for the exact section you plan to fish.
Rules checkedJul 30, 2026
Report a correction ↗Always follow the official rule
This summary helps with trip planning. The linked agency rule is the one you must follow.
Updates from anglers
What anglers are seeing.
Recent observations from general areas of Slippery Rock Creek. We review every update before it appears and never publish exact fishing spots, private access details, or photo locations.
Angler updates are not loading right now.
You can still use the river plan above. Check back later for recent observations from other anglers.
Where this report comes from
Open the sources we checked.
Fishing guidance checked: Jun 2, 2026
Site check: Jul 14, 2026. We regularly test report links, live scores, flow and weather data, and page loading. The content date changes only when the fishing guidance or its sources change.
flowRiverReports: Slippery Rock CreekflowUSGS Slippery Rock Creek at WurtemburgregulationPFBC fishing regulationsaccessMcConnells Mill State Park fishingbackgroundMcConnells Mill State Park overviewsafetyMcConnells Mill whitewater boatingaccessMcConnells Mill park mapsafetyNational Weather Service forecast point near Wurtemburg
Common questions
Before you leave.
What gauge should I use for Slippery Rock Creek?+
Use RiverReports for the quick chart and USGS 03106500 at Wurtemburg for the official flow reference.
Where is the fly-only section?+
DCNR identifies a fly-fishing-only, catch-and-release area by Armstrong Bridge inside McConnells Mill State Park.
Is Slippery Rock Creek safe to wade?+
Only at conservative levels and only in access points you have already judged carefully. The park warns about smooth slippery rocks, deep pools, rapids, and swift current, and serious accidents have happened here.