Pennsylvania

Letort Spring Run Fishing Forecast

Historic limestone spring creek with constant 56F temps - birthplace of terrestrial fly fishing

In SeasonMedium confidence

Open year-round (check section regs)

Heritage Trout Angling designation likely. C&R, artificial only. Open year-round

Limit: 0 (C&R)Gear: Artificial flies/lures only
View full regulations

Today's Fishing Conditions

6/10

Good

Updated 12:28 PM

Water Temp

46°F

Flow Rate

--

Best Time

3 PM - 5 PM

Top Fly

WD-40

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Quick Facts

Species

Brown Trout

River Type

spring creek

April Water Temp

42°F - 52°F

April Fishing Tactics

Primary Targets

Brown TroutRainbow Trout

Recommended Tactics

HendricksonBWOsQuill Gordon

PRIME MONTH. Hendrickson and Quill Gordon.

April Hatches

Scud

Crustacean

Primary
52-58°FPeak: 10AM

PRIMARY FOOD SOURCE year-round. Pink, gray, olive scuds. Cressbug patterns.

Sowbug

Crustacean

Primary
52-58°FPeak: 10AM

Year-round sowbug fishing. Gray, brown sowbugs critical.

BWO

Mayfly

50-58°FPeak: 1PM

Less prolific than other waters. Overcast days.

Year-Round Fishing Guide

MonthWater TempTactics
January32-38°FMidges, Deep nymphs
February32-40°FMidges, Small nymphs
March36-45°FEarly BWOs, Quill Gordon nymphs
April(Now)42-52°FHendrickson, BWOs, Quill Gordon
May50-60°FSulphurs, March Browns, Caddis
June55-68°FGreen Drakes, Sulphurs, Slate Drakes
July60-72°FTricos, Terrestrials, Light Cahills
August60-74°FTricos, Terrestrials, White Fly
September55-65°FBWOs, Slate Drakes, Terrestrials
October48-58°FBWOs, Slate Drakes, Streamers
November40-48°FBWOs, Streamers, Egg patterns
December32-40°FMidges, Deep nymphs

Spawning Seasons

Please respect spawning fish and their redds. Avoid fishing over actively spawning trout.

Brown Trout

Spawn months: October, November

Night spawning common. Males become very dark with pronounced kype during spawn.

Access Points & Parking for Letort Spring Run

Bonnybrook Road

Famous spring creek access.

Facilities:Parking
Best for:Technical spring creek

Letort Park

Town park access.

Facilities:Parking, Restrooms
Best for:Convenient access

Carlisle

Town access along the creek.

Facilities:Parking, Town Services
Best for:Urban fishing

How to Fish Letort Spring Run: Tips & Tactics

The Letort is one of America's most technical spring creeks, demanding perfect presentations for its educated brown trout. This is where terrestrial fishing was pioneered.

Best Times of Day

Terrestrial fishing in summer is legendary - ants, beetles, hoppers. Morning Trico hatches bring selective feeding. Year-round fishing is possible.

Recommended Techniques

Ultra-fine tippets (7X-8X) are often required. Crawl on your knees to approach fish. Perfect drag-free drifts essential.

Water Conditions

Crystal-clear spring water with highly selective trout. Weed beds provide cover. Suburban setting with easy access.

Fly Selection

Terrestrials were developed here - ants, beetles, crickets, hoppers. Trico patterns for morning hatches. Scuds and cress bugs.

Local Knowledge

The Letort is where Vince Marinaro and Charlie Fox pioneered terrestrial fishing. This is hallowed water. Fish are extremely selective.

Local Tips

The Letort is where terrestrial fishing was pioneered. Charlie Fox and Vince Marinaro fished here. This is technical fishing at its finest.

When is the Best Time to Fish Letort Spring Run?

Spring

Tricos and BWOs. Technical fishing.

Summer

Terrestrial season - legendary fishing.

Fall

Brown trout become more active.

Winter

Spring-fed water fishable. Midge patterns.

Recommended Equipment for Letort Spring Run

Rod

7 to 8-foot, 2 to 4-weight for delicate presentations.

Line

Floating line with long, light leaders.

Leader & Tippet

12-15 foot leaders, 6X-8X tippet.

Waders

Breathable waders. Crawl on knees.

Essential Flies

AntBeetleCricketHopperTricoCress Bug

Letort Spring Run Fishing Regulations

Season

Check PA Fish and Boat Commission.

Limits

Catch-and-release in most sections.

Special Regulations

Artificial flies only. Barbless hooks.

Bait Restrictions

Prohibited - artificial flies only.

Notes

The Letort is hallowed spring creek water.

Always verify current regulations with Pennsylvania fish and wildlife agency before fishing. Regulations can change annually.

Fly Shops & Guides Near Letort Spring Run

Local Fly Shops

  • Yellow Breeches Outfitters - Boiling Springs
  • TCO Fly Shop
  • Orvis

Guide Services

  • Letort Guides
  • Cumberland Valley Anglers
  • Central PA Fly Fishing

Optimal Fishing Conditions

Optimal Flow

20 - 50 CFS

Best fishing conditions

Optimal Water Temperature

52° - 62°F

Ideal for active trout

Other Pennsylvania Trout Rivers

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