Overall River Rating:


South Boulder Creek Fly Fishing Report

Latest Update 7/28/15- The flows on South Boulder Creek are down to a good level and fishing is good. The closer to the Gross Reservoir the better. Though nymphing some deeper holes will pay off... fishing a size 16-12 sized dry fly that sits high on the water against the bank is the name of the game and you will catch fish. 3 weight is recommended.

River Information

South Boulder Creek is another very productive piece of water just a little over an hour from Denver. The creek is your typical small stream freestone above Gross Reservoir. Below Gross Reservoir, anglers will find a productive tailwater fishery which flows through the Walker Ranch open space. 


Winter/Spring: Midges, Baetis

Summer: Midges, mayflies, caddis, stoneflies terrestrials

Fall: Midges, mayflies, caddis

Seasonal Conditions

Boulder Creek is can be fished year round. Below the dam, in the tailwater section, can be very good and holds some surprisingly large fish. Midges are active throughout the year, however arguably the best way to fish this creek is in the warmer months with a dry dropper rig. 

River Access

The Walker Ranch open space or Eldorado Canyon State Park are the most popular and can be very productive. No roads run along the river so a bit of hiking is required, however solitude can often await. 

Above Gross Reservoir, parking is available at Pinecliffe.