Big Thompson Fishing Report

Big Thompson Fishing Report

Big Thompson Fishing Report

Latest Update: 9/9/2025

Current Streamflow : 37 cfs @ Big T Above Lake Estes,  52 cfs  @ Big T Below Lake Estes, 13 cfs @ Moraine Park

The Big T is clear right now! Dry fly action is still a go, with Caddis and Midge imitations. it is becoming more technical, so consider sizing down on leader and tippet material.

Smaller dry dropper rigs have been productive. Using small Chubbys and Stimulators and dropping caddis, or midge larvae below is a great place to start.

Let us know if you have any questions or are looking for more info on fishing the Big Thompson!

Recommended Big Thompson Flies

Big Thompson Dry Flies

These are our current favorites while out on the water—fully up to date with the latest hatches and the must-have bugs that are working right now.

Click here for more details

Big Thompson Nymphs

These are our current favorites while out on the water—fully up to date with the latest hatches and the must-have bugs that are working right now.

Click here for more details

Big Thompson Streamers

These are our current favorites while out on the water—fully up to date with the latest hatches and the must-have bugs that are working right now.

Click here for more details

Now taking guide trip booking for the 2025 season!  If you have any questions about guide trips please contact us at 970-498-8968 or click here to book your trip now.