Colorado Fishing Reports ยท South Platte Basin
East of Boulder near 75th Street, Boulder Creek slows down into plains water with brown trout and some warmwater fish.
Looking for the latest Boulder Creek North 75th Street river report? This page is updated by the AvidMax fly shop team with live flows, current conditions, hatches and the flies working now on the Boulder Creek โ North 75th Street.
Current flows
Wind forecast
North 75th Street fishing report
Updated November 7, 2026.
We have no report for this stretch. The whole creek is running low, clear and cool. Fish midges, scuds and small streamers through the deeper pools in the middle of the day.
Load your fly box
Before you head to North 75th Street, bring: Zebra Midge #18-22, Kaufmann', s Scud #14-16, Woolly Bugger #8-10, Pheasant Tail Nymph #16-18, RS2 Emerger #18-22, JuJu Baetis #18-22, Black Beauty #20-24, Egg #14-16, Squirmy Wormie #12-14.
Flies working right now
The flies above that we have in stock right now.
North 75th Street river details
| Access | County open-space parcels around 75th Street. The rest is private farmland. |
|---|---|
| Elevation | About 5,150 ft |
| Drive from AvidMax | About 44 miles, roughly 1 hour 2 minutes from our Centennial shop |
| Best season | Fall through spring |
| Fish | Brown trout, plus warmwater fish |
| Regulations | Check Colorado Parks and Wildlife for the current rules. A Colorado fishing license is required. |
| Leaders and tippet | 9 ft leaders, 5X tippet |
| Camping | None |
| Kids | Yes. Flat and easy. |
| Good to know | It warms quickly in summer, so fish it in the cool months. |
Fishing by season
Winter
Open water with midges.
Spring
Good fishing.
Summer
Too warm for trout.
Fall
Browns.
How to get there
Park at the county open-space trailheads near North 75th Street.