Copyright 2009 James Marsh
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Fly Fishing the Big Lost River Idaho
The Big Lost River has two main branches that flow
together to form its main stem. They are the North Fork
of the Lost River and the East Fork of the Lost River.
Both these creeks flow through some of Idaho's most
beautiful wild and rugged country among mountains with
peaks as high as 12,000 feet.

The North Branch is a small stream that starts in the
Northwest area of the drainage. It is stocked in some
areas and provides good, easy fishing especially around
the bridges and campgrounds.

The East Branch of the Big Lost River drains the
southern area. Its trout are wild but the access is limited.
There are some special regulations in force to help keep
it a designated Wild Trout fishery.  The fish are mostly
wild rainbows and cutthroat trout.

The main stem of the river below the confluence of the
North and East Branches is not as good of a fishery as
the East Branch. There are not as many trout but
access is plentiful and easy. This section also has some
special regulations. The main stem flows through some
beautiful, scarcely populated country.           
           
Seasons:
The Idaho fishing season runs year-round. Fly fishing
the Big Lost River is good most of the year.

Winter:
It is possible to catch trout but it is usually very tough
fishing during the winter.
Spring:
The best time is the springtime except for the time runoff
occurs.
Summer:
Summertime fishing depends on the amount of rainfall
and the depth of the snowpack but it is usually very
good.  
Fall:
Early fall can be a good time if the water levels are okay.

Fly Fishing Guide to the Big Lost River:
The strategies and techniques used for fly fishing the
Big lost River depends on the branch you are fishing
and the water levels.
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Type of Stream
Freestone Stream

Species
Rainbow Trout
Brown Trout
Cutthroat Trout
Brook Trout
Bull Trout
Golden Trout
(Wild and Stocked depending on the
area)

Location
Central Idaho

Size:
Small to Medium - 75 miles long

Nearest Towns
Ketchum

Season
Varies depending on the location

Access:
Good

Special Regulations
Yes, on the East Branch and Main
Stem

Non-Resident License
State of Idaho

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 (Arco)
Big Lost River Idaho
100% Satisfaction Guaranteed
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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