Yellowstone Park / Mountainside KOA Journey

Q: Are group sites available?

Yes, group sites exist; details require direct inquiry with the campground.

Q: Is this bear country and what are food storage rules?

Yes, bear country. Follow bear safety precautions and store food securely; posted rules apply.

Q: What amenities does the on-site store offer?

General store with basic supplies, pizza, firewood, propane, and gifts; plan ahead for groceries and fuel in West Yellowstone.

Q: Are pets allowed and what about leashes?

Pets are allowed across RV, tent, and lodging sites; leash rules apply; KampK9 dog park is on site.

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Overview

About This Campground

You’re staying at Yellowstone Park Mountainside KOA Journey just outside West Yellowstone. RV sites offer 20/30/50 amp, water, and some pull-throughs up to 110 ft with mountain views, while tent sites include creek views and large fire pits. Cabins are available, and the grounds are bear country with clean showers and an on-site store; expect high demand in peak season and some traffic noise from the main road.

Highlights

Site Types

RV sites, Tent sites, Cabins

Scenic Views

Mountain views from pull-through sites; creek views from some tent sites

Nearby Attractions

West Yellowstone amenities; Yellowstone entrance area; approx. 7.5 miles to West Entrance

Family Friendly

Family-friendly with playground and KampK9 dog park; some sites near main road may see more noise; bring earplugs for quiet hours

Best Time to Visit

Mid-May to October; peak in July-August

Camping Tips

Book early in peak season; KOA Mountainside fills fast
Bring a headlamp for 2am bathroom runs
Expect mixed ground surfaces; pack leveling blocks and ground cover
Store food properly; bear country precautions

RV Driver Intel

The Setup

RV-ready pull-throughs up to 110 ft; mix of gravel and grass sites; internal roads are a mix of paved and gravel; plan for possible tree branches on larger rigs

The Vibe

Functional basecamp near Yellowstone with mountain views and kid-friendly amenities; not a remote wilderness retreat—some sites feel close to neighbors, and traffic noise is present

Bath & Laundry

Showers are clean, spacious, and hot; laundry availability not documented

Details

Campsite Information

RV Max Length: 110 feet

Hookups: 20/30/50 amp, water, electric; some full hookups

Site Types

RV sites, Tent sites, Cabins

Each Site Includes

Fire ring
Picnic table
Cable TV; water/electric hookups; some creek-view tent sites; pull-throughs with mountain views

Activities

Hiking and ATV trails into Gallatin National Forest; fishing in nearby creeks/ponds; horseback riding and ziplining nearby; playground, mining camp, yard games

Amenities & Facilities

Campground Amenities

Showers: Clean, spacious showers with ample hot water
Restrooms: Flush toilets with lights
Water: Potable spigots; communal water available
Trash: General trash disposal; bear-proof dumpsters not explicitly mentioned

Facilities

RV Dump Station: On-site dump station
Camp Store: General store with basic supplies, pizza parlor, firewood, propane, gifts
Firewood: Firewood for sale at camp store; gathering firewood prohibited
Amphitheater: Not available

Utilities

Restrooms: Flush toilets with lights

Showers: Clean, spacious showers with ample hot water

Policies & Rules

Reservations

KOA Private Booking (Booking: Reservations can be made up to 18 months in advance through KOA's private booking system. Book online at https://koa.com/campgrounds/mountainside/ or by phone; peak-season (summer) dates fill quickly.)

Pet Policy

Pets Allowed - Leash rules apply; KampK9 dog park on-site

FAQs

Can my RV fit on the pull-through sites?

Pull-throughs up to 110 ft are available; some rigs up to 70 ft or 50 ft can fit, but site layout and trees may limit the largest rigs.

Are group sites available?

Is this bear country and what are food storage rules?

What amenities does the on-site store offer?

Are pets allowed and what about leashes?

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