Copyright 2009 James Marsh
Fly Fishing the Big Thompson River
Colorado
The Big Thompson River starts out as a very small
stream from many tiny tributaries near the Continental
Divide. The fishing starts near Moraine Park inside the
Rocky Mountain National Park where the stream splits
up into several channels. There is a public access there.
It is a willow lined small stream in an open meadow with
small brown, brook and cutthroat trout. The river flows
into Lake Estes where additional water is added to its
flow from the opposite side of the Continental Divide via
a large pipe. Fly fishing the Big Thompson is a neat
experience to say the least.

The section below the dam at lake Estes is probably the
most popular section. The stream flows through a
canyon. There is a lot of public access in this area
including over forty public parking areas. The fish
average a better size there than they do inside the park.
There is a ten mile long catch and release section in this
part of the Big Thompson which helps the fishery. The
lower section flows along highway 34 down to Loveland.

Most of the Big Thompson River consist of pocket water
and riffles. Sylvan Dale Ranch has over two miles of
private water on the river. You can fish it but you will
have to pay. There are also several public access areas
along the river.

You want hear much about fly fishing the Big Thompson
River until someone mention the great flash flood that
occurred there in 1976. Water came roaring down the
canyon and destroyed lot of property and took more
than one-hundred lives. That is something that I am sure
isn't easy to forget.

Seasons:                 
The uppermost part of the stream stays iced up for
about half the year. The lower tailwater section can be
fished throughout the year.
Spring:
Spring is mostly midge and Blue-winged Olive fishing but
less tourists.  
Summer:
Summer is the best time to fish the river but it can be
crowded.
Fall:
Early fall is great fishing and less tourists.

Fly Fishing Guide to the Big Thompson River
The spring runoff is from the end of May through the
month of June. It is just about impossible to fish the river
during this time.
(Click Here to Continue)
Type of Stream
Freestone/Tailwater

Species
Brown Trout
Brook Trout
Rainbow Trout
Cutthroat Trout

Size
Medium, length 27 miles

Location
North Central Colorado

Nearest Towns
Lake Estes

Season
Year-round

Access:
Fair to Good but tough in places

Non-Resident License
State of Colorado

Weather
National Weather Service Link

Hatch Chart
Perfect Fly Hatch Chart

Fly Fishing Guide

Hatches and Flies

Fly Fishing Gear

Stream Flow Data:
Real Time USGS Data (Moraine
Park)
Real Time USGS Data (Andrews
Creek)
Big Thompson
River Colorado
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Options For Selecting Flies:
1. Email us with the dates you will be
fishing this stream and we will send
you a list of our fly suggestions. Please
allow up to 24 hours for a response.

2. Call us 800-594-4726 and we will
help you decide which flies you need.

3. Call or email us with a budget for
flies and we will select them and get
them to you in time for your trip.

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