Kirk’s Fly Shop

Kirk's Fly Shop

Business Hours:
Mon-fri: 6:00-5:00
Sat-Sun: 7:00-9:00

Located: 230 E Elkhorn Ave. Unit B, Estes Park cO 80517

Contact Us

Phone: 970-577-0790


Our Guided Trips

All of our fishing vacations are tailored to each customer’s preference. We guide each of our fly fishing trips to drive-upspots, easily accessible locations via a short hike, or backpacking adventures to high mountain lakes and streams. 

We even offer fly fishing adventures that include pack llamas, overnight backpacking, etc… Just tell us what you are looking for, and we will make it happen!


A 50% deposit is required to book the trip. Balance is due on day of the trip.We sell Colorado fishing licenses! Rod, Reels, Waders and Flies included on all trips! We can accommodate groups of any size. Your trip will not be combined with another group. Your trip will have your own guide and will be tailored to your group’s individual preferences.There are no age limitations and no required level of expertise. Anyone is welcome!

Waters Guided

-Colorado River -Big Thompson River - Slyvandale - Many Private Waters​

equipment Included

- Rods
- Flies
- Terminal Tackle


- Boots
- Waiters
- Safety Gear


Our Guides all have 10+ years experience fly-fishing all over Colorado. Their knowledge of these rivers and fly-fishing guarantee you an eventful trip!

Fish Species

- Trout (rainbow, cutthroat, brown)

Food Included

- All trips include a snack. -Snack and drink for the 4 hour trips - Hearty Lunch for 6 and 8 hour trips.

Meet Our Guides

Mike Caldwell

Mike Caldwell

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Mike has been guiding for Kirks for 9 years and is not only a resident, year-round fly fishing guide on the Big Thompson River and in RMNP, but also guides most of our Longs Peak trips, as well as snowshoeing trips, overnight backpacking trips, llama trips and trips over the Divide. Mike’s speciality is trips over the Divide via Boulder Grand Pass, fishing Thunder Lake and Lake Verna on the way, and hiking to and fishing pristine high mountain lakes. He is also an avid climber and can be found hanging off the rock when he is not fishing.

Darren Christianson

Darren Christianson

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Darren has been guiding with Kirks Mountain Adventures for 8 years now. When not on the water with clients you can find him helping customers in the shop at Kirks. He lives in Lyons, Colorado with his wife of 27 years. Darren is also an accomplished artist, he paints his favorite subject, trout, in watercolor and oil paintings. Fly fishing with clients in Rocky Mountain National Park and showing people the beautiful wild trout found there is one of the favorite parts of his summer. Darren guides backpack and llama pack trips into RMNP as well as guiding fly fishing trips.


Guided Trip Packages


4- Hour Trip
$ 225
  • 4-Hour Trip
  • Waders
  • Rods
  • Reels and Flies
  • Snack and Drink
  • Premium Guide Service


6-Hour Trip
$ 295
  • 6-Hour Trip
  • Waders
  • Rods
  • Reels and Flies
  • Hearty Lunch
  • Premium Guide Service
Most Popular


8 Hour Trip
$ 350
  • 8-Hour Trip
  • Rods
  • Waders
  • Reels and Flies
  • Hearty Lunch
  • Premium Guide Service
Most Value

Our Photos

What Makes Our Fly Shop different

More About Us

Kirks Fly Shop is located in beautiful Estes Park, Colorado, the Gateway to Rocky Mountain National Park. We are a family owned and operated, full pro-line fly shop, offering the top of the line fly fishing equipment, as well as backpacking and camping gear. Fly Fishing, hiking, backpacking and climbing in the great outdoors and Rocky Mountains are our passions, and we want to share our passion with you and make sure you have the most enjoyable and memorable Rocky Mountain National Park experience.

Most Experienced and Trained Guides

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Great Guides. Great fishing