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The Henry's Fork in summer
The Field Guide

Plan around what you came for.

Working guides on Yellowstone's west entrance, the Henry's Fork, Island Park snowmobile country, Mesa Falls, where to eat, what to pack, and how to make the trip work.

Aerial view of Island Park, Idaho — caldera basin
Island Park

The Complete Guide to Island Park, Idaho

The Henry's Fork. Yellowstone's west gate. A volcanic caldera. A town of 193 people.

Firehole River — fly water near Island Park
Fly Fishing

Fly Fishing the Henry's Fork

Five sections, a dozen hatches, the most demanding dry-fly water in the country.

Sunrise over Hayden Valley with the Yellowstone River
Yellowstone

Yellowstone West Entrance: Day-Trip Planner

29 miles north. Three full-day itineraries. Real drive times.

Two Top Mountain snowmobile trail
Snowmobiling

Snowmobiling Island Park: Trails & Rentals

500+ miles of groomed trails, the snow ghosts of Two Top, Yellowstone access by permit.

Rover float trip on the Henry's Fork
Floats

Floating the Henry's Fork: Big Springs to Mack's Inn

Five miles, 52-degree water, two to three hours of clear forest river.

Henry's Fork shoreline in Island Park
Licenses

Idaho Fishing Licenses (2026)

Costs, vendors, salmon/steelhead permits, and what differs inside Yellowstone.

Aerial of Island Park backcountry trails
ATV & UTV

Best ATV & UTV Trails in Island Park

Vehicle-class rules, the MVUM, where to ride, where to rent.

Upper Mesa Falls
Drives

Mesa Falls Scenic Byway: A Local's Drive Guide

28 miles of National Scenic Byway. 114 feet of waterfall.

Summer pines and lodgepole forest in Island Park
Hiking

Best Hikes in Island Park & Caribou-Targhee

Ten trails covering paved-easy to high-country-strenuous.

Moose grazing — Yellowstone wildlife
Wildlife

Wildlife Viewing from the West Entrance

Dawn and dusk in the valleys. Bison along the Madison. Hayden in 80 minutes.

Sunset over Henry's Lake
Stillwater Fishing

Henry's Lake & Hebgen Lake

Trophy cutthroat in Idaho. The gulper hatch in Montana.

Henry's Fork in winter — Continental Divide snow
Snowmobile Trails

Continental Divide Snowmobile Trail Guide

365 miles. Lander to West Yellowstone. Through Island Park.

Elk and large game in Island Park backcountry
Hunting

Hunting Near Island Park: Units, Seasons, Tags

Idaho Units 60-62. The general picture; specifics live at Fish & Game.

Mack's Inn area on the Henry's Fork
Where to Eat

Where to Eat in Island Park & Ashton

Pond's Lodge. TroutHunter. The Parlor. The locally-tested guide.

Welcome to Island Park, Idaho — gateway sign
Groceries

Grocery & Supply Run

No supermarket in Island Park. Broulim's in St. Anthony is the closest.

Morning fog over the Yellowstone River
Packing

What to Pack for Island Park (By Season)

6,300 feet of elevation. 70°F days. 25°F nights. Plan for the activity.

Yellowstone River vista on the drive
Drive Guide

Idaho Falls Airport to Island Park

81 miles, 1 hour 21 minutes. The supermarket and photo stops along the way.

Mountain sunrays on the drive
Drive Guide

Jackson Hole to Island Park

85 miles via Teton Pass. Longer through the parks. Check the pass first.

Drone view of Island Park caldera
Services

Gas, Cell, Medical & Services

Where to find fuel, signal, and services. And where the gaps are.

Yellowstone Canyon and Lower Falls
Photography

Best Photography Spots

Ten established locations. When to be at each one.

Yellowstone geyser basin near the west entrance
Yellowstone

Yellowstone Entrance Fees & Passes (2026)

$35 for a week. $80 for a year. $100 nonresident surcharge starts 2026.

Henry's Fork near Mack's Inn
Itineraries

5-Day Family Vacation Itinerary

Five days. Two parks. One river. No driving more than 90 minutes a day.

Big Springs at sunset
Large Groups

Multi-Gen Reunion in Island Park

Up to 68 people under one roof. Twin domes. One river.

Spring meadow in Yellowstone country
Spring

Spring in Island Park

Mud, late snow, newborn moose calves, bears emerging. Quiet month before everything opens.

Summer pines in Island Park
Summer

Summer in Island Park (Peak Season)

Peak everything. Plan the week. Book six months ahead.

Fall colors — Island Park region
Fall

Fall Foliage & Hunting Season

Aspens turn gold. Elk start bugling. Many locals' favorite.

Island Park winter river scene
Winter

Winter in Island Park: Snowmobile Country

The season Island Park was built for. 500+ miles of trail. Sub-zero nights.

Where to stay while you use it.

Six private cabins between Big Springs and Ashton, sleeping thirteen to sixty-eight, ten minutes to an hour from Yellowstone's west gate.

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