Orvis-Endorsed Fly-Fishing Guide in Jarrettsville, Maryland.

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Bryan Donoway

Orvis-Endorsed Fly-Fishing Guide

Phone icon443-567-0663 Email iconinfo@flysindisguise.com Link iconflysindisguise.com
Jarrettsville, Maryland

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The Story

Enjoy the expertise of Orvis-endorsed fly-fishing guide Bryan Donoway on your trip to Maryland. Bryan is a full-service fly-fishing guide offering year-round walk and wade trips within the Gunpowder River watershed. Experience the hunt for wild brown trout in this beautiful tailwater system. The Gunpowder River flows from Prettyboy Reservoir, providing cool water temperatures for wild trout year round. This resource provides recreation for fishermen and other water enthusiasts alike within the Gunpowder State Park network. We practice catch-and-release fishing in all waters that we fish to sustain a healthy population of trout for all to share and enjoy. If you're new to the sport, or just want to expand your fly-fishing knowledge, Bryan also offers instruction for all skill levels. We can also cater to specific fly-fishing inquiries, such as improving your streamer game or introducing you to effective European nymphing strategies. Come spend a day in search of wild brown trout in a wilderness environment.

What is Provided:

All necessary gear is provided to customer whether its a Guided River Wading trip or an instructional class/clinic. Provided gear includes Orvis Waders and wading boots and Orvis Rod and Reel outfits. Flies and leaders are also provided at no extra charge. Cold water and reuseable water bottles are provided to stay hydrated throughout the day and snacks as well. A hearty streamside lunch is provided on full day trips.

What to Bring:

  • Neutral colored clothing
  • Hats and polarized sunglasses
  • Sunscreen and bug spray may also be useful
  • Camera
  • Fleece/Sweaters – based on season
  • Layered clothing - based on season
  • Lightweight rain gear
  • Wading staff

If bringing your own waders and boots, please note that felt sole boots are illegal in Maryland. All wading boots must have rubber soles. Studs are recommended. A Maryland freshwater fishing license and trout stamp will also be required for the trips or classes.

Gear Recommendations:

4 and 5 weight rods in the 8-6” to 9’ lengths are well suited for the waters we fish. Floating fly lines and leaders in the 9’ -10’ lengths either 4X or 5X.


Brown trout, rainbow trout, brook trout


The Gunpowder River is a year-round trout fishery with the best times to fish being from April through November.


Gunpowder State Park, Baltimore County, MD
The Gunpowder River starts its journey below Prettyboy Dam as a tailwater flowing through a deep gorge-like setting showcasing huge boulders which make the hike up the river challenging and beautiful. As the river continues farther downstream the river bed flattens out a but making hiking and wading a bit easier before the confluence with Little Falls, a tributary that adds more volume to the river as it continues towards Loch Raven Reservoir.

Typical Weather:

Spring: Mid-March thru Mid June. Begginning in March, the weather can be cold at times with some occasional precipitation. May brings warmer temps and some of these days can still have a bit of coolness in the air. As June approaches, temperatures warm. Temperatures typically range in the 50s to the upper 70s F.

Summer: Mid June thru early September. This time of the year, the early mornings and late afternoon/evenings will provide the most comfortable fishing conditions. With temperatures in the 70-90 degree range, wet wading is a popular approach to fishing during this time of year.

Fall: September thru late November. The days start to get shorter and much cooler making a full day on the river a comfortable outing. Temperatures range from the upper 70s in September to the mid to low 50s in November.

Winter: Late November thru early March. As water temperatures begin to drop, fish tend to move less and eat less, especially in January thru February. Fishing efforts will be concentrated on the warmest parts of the day. Temperatures range from the low 40s to the mid 50s.

Rates start from $250 for a half-day guided trip for one angler. You can find all pricing information at:
Fly Fishing Instruction
Guided Fly Fishing Trips

Can we keep fish?

No, we practice catch and release to sustain the fishery.

Can I bring my dog?

Please leave your pets at home.

Can I bring alcoholic beverages?

I ask that you please leave the alcohol at home since it is prohibited in MD state Parks. There are micro breweries and restaurants close by for a refreshing beverage after your trip.

Do you sell fishing licenses?

No, you are required to purchase a MD freshwater fishing license and trout stamp before the trip.

Can I wear felt sole boots in MD?

No, felt soles are illegal to use in MD. Please bring rubber soled boots. Studs are recommended in boots for wading.

What size fly rod should I bring?

Rods in the 4 and 5 weight sizes are ideal with lengths in the 8’-9’ ranges.

What type of waders should I bring?

Please being chest high waders, preferably breathable.

Is there cell phone service within the State Park?

There is limited cell phone service available.

I have food allergies, are your lunches allergy free?

Please advise of any food allergies at time of booking.

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