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Boulder Creek


Dates: 07/28/19

POC: Caitlin White, caitlinteresawhite@yahoo.com, (408) 841-6510

Location: Boulder Creek/Boulder, CO


  • Boulder offers a variety of fishing options and miles of water for a full day of fishing! Options include: Boulder Creek in Boulder Canyon (from the mouth of the canyon up towards Nederland); Boulder Creek in-town; South Boulder Creek below Gross Reservoir; and there are a number of ponds in east Boulder that hold warm-water species. Boulder Creek can be fished late July wet-wading or from the bank. 
  • Hatches – by late July, midges, mayflies, caddis, stoneflies, dragon- and damselflies, and terrestrials will all be in play. As it gets closer to the trip, will update this trip info report with specific recommendations from the local fly shops.   
  • Boulder Creek, Boulder Canyon: The canyon offers 12 miles of fishing from the canyon mouth (mile marker 40) to about 13 miles below Barker Reservoir in Nederland (mile marker 28). There are many roadside pullouts in the canyon for parking, although you will have to compete with rock climbers, mountain bikers, and other anglers in the canyon for parking space.
  • Expect to fish a mix of riffles, runs, plunge pools, undercut banks, with structure (e.g. boulders, logs, sometimes dense vegetation along the banks). 
  • Lower Boulder Creek, in-town: Boulder Creek is less steep through town and widens after the canyon mouth so offers more riffles, runs, and shallow to moderately deep pools. Boulder Creek is public from the canyon mouth (Eben Fine Park) to Foothills Pkwy. Fish hold throughout the creek and pods tend to congregate under or near bridges. The Boulder Creek Bike Path runs along Boulder Creek from the canyon mouth out to Valmont Rd & 55th in town, making fishing access easy but also expect some bike path traffic near you while fishing. Boulder Creek is extremely popular for fishing and tubing in the summertime, from the Canyon mouth east to Broadway/Hwy 93. Expect fishing this section of the creek to be tough (or impossible) for that reason.
  • South Boulder Creek, Walker Ranch: About 7 miles outside of Boulder up Flagstaff Road. Can be accessed parking at the Walker Ranch Loop Trailhead (see map link below) and hiking about a mile to South Boulder Creek, or driving several miles further towards Gross Reservoir and parking at a small lot for kayakers on Gross Dam Road (less than a 5min hike to the water from the parking lot). Once at a South Boulder Creek, a trail runs alongside it for a few miles, making fishing access easy. Although you will see people, it’s more remote fishing compared to fishing in-town or in Boulder Canyon. If fishing near the kayak put-in, expect to do some light scrambling on the trail.  
  • East Boulder ponds: There are several ponds managed by the City of Boulder or Boulder County open space. See the “Fishing on OSMP” webpage for more information about fishing ponds Boulder Open Space and Mountain Parks ponds: https://bouldercolorado.gov/osmp/fishing-on-osmp , as well as “Fishing on Open Space” for information about Boulder County-managed fishing ponds: https://www.bouldercounty.org/open-space/activities/fishing/ 
  • Suggested locations:
    Boulder Canyon, mile markers 29-32:
    – at mm 29 and the pull off to the right just up-canyon of 29
    – Castle Rock between mm 29 and 30 (there’s a dirt road on the other side of the canyon you can turn on to from the main Boulder Canyon road that parallels the stream for easy parking and access; it’s a popular climbing spot so expect to see some company on the road)
    – mm 31-32 (Rodgers Park pull offs)
  • For meeting up afterwards, let’s try Oskar Blues on Pearl Street: 902 Pearl Street, Boulder CO 80302. That’s on the west end of Pearl Street and usually parking is a little easier on that side. You might need to drive a block or two up and over but there’s typically 2-3hr free street parking in the neighborhood near Pearl Street. There are also metered spaces closer on Pearl Street. Knowing coming down the canyon will take some time due to the stoplights and traffic, maybe we can shoot for meeting up sometime between 4/4:30? Open to suggestions on the post-fishing meet time.
  • Fly recommendations: A dry-dropper rig of about 18-20 inches is productive this time of year on Boulder Creek. Any of these flies are good to have:
    Stimulators #12-18
    Chubbies #12-16
    Parachute adams #14-18
    Parachute adams PMD #16
    Elk hair caddis #12-16
    Amy’s ant #12-14
    Yellow sallies #14
    Hoppers #10-14
    Prince nymph #14-16
    Copper John #14-18
    Soft hackle pheasant tail #14-18
    Zebra midge #16-20
    Frenchie #14-18
    Iron Lotus #16
    Iron Sally #14

Meet Location: Rocky Mountain Anglers: 1904 Arapahoe Ave, Boulder, CO 80302. There is plenty of street parking on 19th street.

Meet Time: 9:00AM 

Map/Directions: Coming soon! (dependent on meeting location – generally, if coming from the Denver metro area take Hwy 36 or Hwy 93 north to Boulder; if coming from the north take Diagonal Hwy (119) from Longmont or Hwy 36 from Lyons).  Nice map of the area! https://assets.bouldercounty.org/wp-content/uploads/2017/03/walker-ranch-map.pdf


Fly Shops, Guided Fly fishing:


Boulder has a number of hotels and AirBnB rentals, prices vary and no specific recommendations. No camping within Boulder city limits, however there are some USFS camping options on Roosevelt National Forest about a 30-minute drive away:

Gross Reservoir

Kelly Dahl Campground

Gordon Gulch:



  • All guests of members must sign a release form before attending CWF trips. The guest must sign and bring the signed form to the trip meet location/time and provide to the POC before fishing with the club. Members can download the form here:  Acknowledgement of Risk and Release of Liability for Guests


Event Category:


Boulder Creek
1904 Arapahoe Ave
Boulder, CO 80302 United States
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Attendance: 7

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