Blue Stream Fly Fishing
Fly Fishing Report for:

Boulder Creek - North 75th St. - Colorado

Hatch Chart - Best Access/Spots - Local Fish - About

Water Flow Chart

Using Water Flow Charts & Weather Reports: Begin with our water flow charts to grasp stream velocity and volume – look for stable or rising trends to pinpoint ideal fishing times. Learn to interpret sudden spikes or drops, which can indicate potential challenges. Next, consult our weather reports to understand ambient conditions. Pairing the two, you can anticipate fish behavior, choose the right gear, and select the best fishing spots. Use these tools together for a holistic approach to your next fishing adventure.

In-Depth Weather

Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January Midges Noon-4pm #22-#24 Zebra Midge, Disco Midge
February Midges Noon-4pm #20-#22 Black Beauty, Mercury Midge
March Midges Noon-4pm #20-#22 Griffith's Gnat, Flossy Worm
Blue Winged Olives Noon-4pm #18-#20 RS2, Mercury Baetis
April Midges When temps approach 40+ #22-#24 Zebra Midge, Disco Midge
Blue Winged Olives On Rainy Days #18-#20 RS2, Juju Baetis
May Caddis All Day #14-#18 Elk Hair Caddis, Goddard Caddis
Stoneflies Afternoon #6-#10 Pat's Rubberleg, Girdle Bug
June Stoneflies Afternoon #6-#10 Pat's Rubberleg, Girdle Bug
Pale Morning Dun 11am-2pm #16-#18 Barr's PMD, Pheasant Tail
July Pale Morning Dun 11am-2pm #16-#18 Barr's PMD, Pheasant Tail
Caddis Evenings #14-#16 Elk Hair Caddis, X-Caddis
August Terrestrials All Day #10-#14 Hopper Patterns, Ant Patterns
Tricos Morning #20-#24 Trico Spinner, Hi-Vis Trico Spinner
September Terrestrials All Day #10-#14 Hopper Patterns, Beetle Patterns
Midges Noon-Afternoon #22-#24 Mercury Midge, Flossy Worm
October Midges Noon to late afternoon #20-#24 Zebra Midge, Black Beauty
Blue Winged Olives Noon-4pm #18-#22 RS2, Parachute Adams
November Midges Noon-4pm #20-#24 Mercury Midge, Rojo Midge
December Midges Noon-4pm #22-#24 Zebra Midge, Mercury Midge

While we strive to ensure the precision of our hatch charts, some reflect broader river region insights. Through ongoing partnerships with local guides and fly shops, we’re committed to refining our data. Should you notice any inconsistencies or have feedback, we welcome you to reach out. 

Best Fishing Spots

North 75th Street in Boulder Creek is a fantastic place for fly fishing enthusiasts. Whether you’re a seasoned angler or a beginner, there are several spots along this route that offer excellent opportunities for catching a variety of fish.

Some of the best spots include:

  • Evert Pierson Kids’ Fishing Pond: An ideal spot for beginners.
  • Boulder Creek at Highway 119: Known for its high fish population, especially trout.
  • Boulder Creek around Four Mile Canyon Drive: Offers a secluded fishing experience.

Remember, while fishing these spots:

  1. Always follow local fishing rules and regulations.
  2. Practice Catch and Release to help maintain the fish population.
  3. Stay safe and follow standard outdoor safety precautions.

Best Access Points

Fly fishing on Boulder Creek can offer an exciting adventure. Getting to the right spots might be a bit tricky, though. Here’s where you can find some of the best access points around North 75th St:

  • Eben G Fine Park: This park is located near 3rd Street and provides a great bushwhack over to the creek.
  • Settlers Park: A spot where the creek runs right on the western side. Keep in mind, some parts are steep, but the effort is worth it.
  • Boulder Creek Path: The path starts downtown and takes you directly along the creek side.
  • Silver Saddle Motel: Make your way to the motel, park your car, and you’re just steps from the creek. It’s a dream for any fly fisherman.

Please remember all necessary fishing regulations and courtesy for local landowners.

Local Fish

  • Rainbow Trout : This species is prevalent in Boulder Creek, with anglers often targeting this brightly colored fish for its fight and table quality.
  • Brown Trout : Brown Trout are another common species in this creek. Despite being slightly more elusive than their Rainbow counterparts, their larger average size can reward those with patience.
  • Cutthroat Trout : Named for distinctive markings below the gills, these trout are indigenous to the Creek and are sought-after for their rarity and size variation.
  • Brook Trout : While not native to the area, these were introduced many years ago and have become a staple of Boulder’s fly fishing activity.
  • White Sucker : These bottom-dwelling fish are often viewed as less glamorous, but fly fishers target them for their challenge and the fun they add to the mix.
  • Yellow Perch : These fish are more prevalent in the creek’s ponds and slower waters. Yellow Perch are often targeted by fly fishers for their attractive yellow body and stripes.
  • American Dace : These schooling fish find their place in shallow, fast-moving waters of Boulder Creek. Fly fishers enjoy them for their quick run and exciting fight.
  • Longnose Dace : One of the smaller fish on this list, fly fisherman target these for the techniques needed to successfully hook and land one, using a dry fly fishing approach.

About The River

Not far from the hustle and bustle of Boulder, lies the scenic trickling gem—Boulder Creek—along North 75th Street. With a rich history stretching back to the late 1800s, Boulder Creek has always been a retreat for both inhabitants and visitors alike.

The Creek’s journey starts high in the Rocky Mountain peaks, journeying downriver to the serene, picturesque town of Boulder. Along the way, the Creek has played a pivotal role in Boulder’s history as it provided water for both drinking and irrigation. This eventually led to the growth of farming and the settlement of the area.

The Creek continues to be a magnet to those seeking tranquil surroundings. Here’s a list of some of its most famous features:

  • Red Rocks: These iconic red rocks have been eroded by the Creek and attract rock climbers.
  • Cycling Trails: These scenic paths follow the course of the Creek and are popular with cyclists.
  • Boulder Creek Path: Extending for over 7 miles, it offers unbeatable views and recreational opportunities for all ages.

More than a water body, Boulder Creek—North 75th Street is a living testament to Boulder’s rich history and its inexhaustible spirit of tranquility and recreation.


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