Updated October 15, 2026

    LeTort Spring Run

    spring creek in Pennsylvania

    LeTort is one of the East Coast’s premier spring creeks—clear, technical water where presentation and stealth are paramount.

    Bite report · week of Oct 4

    Consistent

    1. 01Consistent, cold, and clear flows despite unavailable USGS data for LeTort Spring Run.
    2. 02Brown trout spawning has commenced; identify and avoid disturbing redds in shallow, gravelly areas.
    3. 03Active subsurface feeding on scuds, cress bugs, and midges.
    4. 04Terrestrial activity, while fading, may still draw opportunistic strikes early in the week.
    5. 05Anticipate increasing Blue-Winged Olive (BWO) hatches, especially on overcast afternoons.

    Past reports week by week

    11 weeks

    What to tie on

    Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.

    nymph

    Flashback Scud Wet Hare's Ear

    #14#16#18

    Freshwater shrimp (scuds) are a consistent food source in spring creeks, and this nymph also mimics various active aquatic insects.

    nymph

    Sow Bug

    Isopod (Asellus)
    #14#16#18

    Cress bugs are a consistent, year-round food source in spring creeks like the LeTort, often found in the extensive watercress beds.

    Buy at Amazon
    streamer

    Black Woolly Bugger

    #4#6#8

    A versatile streamer, effective for enticing aggressive brown and brook trout keying on leeches or baitfish in colder fall water.

    nymph

    Zebra Midge

    Midge pupa (Chironomidae)
    #18#20#22#24

    Midges are a primary and consistent food source in spring creeks and tailwaters year-round, effective for enticing picky trout.

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    nymph

    Pheasant Tail Nymph

    Mayfly nymph (various)
    #14#16#18#20

    A classic and versatile searching nymph, it effectively imitates various aquatic insects, especially during fall BWO emergence periods.

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    dry

    Blue-Winged Olive (BWO) Comparadun

    Baetis (BWO) adult
    #18#20#22#24

    Fall BWO hatches are expected, and this low-profile dry fly is excellent for selective trout feeding on emergers and adults on the surface.

    Buy at Amazon
    terrestrial

    Beetle

    #14#16

    Terrestrial beetles may still be dislodged from streamside vegetation in early fall, attracting surface feeders before cooler weather shuts them down.

    terrestrial

    Schroeder’s Parachute Hopper

    #6#8#10

    Terrestrial activity can still occur in early October, offering a substantial meal for opportunistic trout along grassy banks, though fading.

    Where to fish and who to ask

    TCO Fly Shop - Boiling Springs · Boiling SpringsPrecision Fly and Tackle · Pennsylvania1LeTort Park (Carlisle)2South Middleton Township Access
    AccessFly shop
    1

    LeTort Park (Carlisle)

    Classic access and a long, productive run holding large browns frequently seen by anglers.

    40.202°N 77.195°WDirections
    2

    South Middleton Township Access

    Less crowded downstream pocket water with excellent mayfly hatches.

    40.187°N 77.201°WDirections

    Fly shops within 40 miles

    5mi
    36mi

    Precision Fly and Tackle

    Pennsylvania, PA

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    Pennsylvania season by season

    What changes on the water through the year, with the flies for each season.

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    Quick answers

    Common questions about LeTort Spring Run.

    What flies work best on LeTort Spring Run?

    Our top scored fly patterns for LeTort Spring Run right now are Flashback Scud Wet Hare's Ear (80% confidence), Flying Ant (80% confidence), Sow Bug (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in LeTort Spring Run?

    LeTort Spring Run holds Brown Trout, Brook Trout. See the species links on this page for fly recommendations and seasonal behavior for each.

    Is LeTort Spring Run fishing well right now?

    We publish a fresh bite report for LeTort Spring Run each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.