West Yellowstone, MT Traffic Cameras: Park Gateway

West Yellowstone is a town first and a national park gateway second — a distinction that gets lost in the Yellowstone-branding shuffle but matters enormously to the people who live here, the snowmobile-rental operators who run the winter economy, and the drivers who treat US-191 and US-20 as everyday roads rather than scenic itineraries. The town sits at 6,660 feet of elevation in Gallatin County (with a small sliver bleeding into Madison County), per Wikipedia, with a 2020 census population of 1,272 and a current year-round population estimated near 1,200. Summer triples or quadruples that base, and the winter snowmobile season layers an entirely different traveler profile on top of the town's sub-arctic climate. This guide covers the roads into town and through the surrounding corridor — for in-park traffic, see the dedicated Yellowstone National Park traffic cameras guide.

West Yellowstone's Camera Coverage Network

Our platform aggregates live cameras across West Yellowstone and the surrounding corridor from MDT's statewide system. Coverage is densest along US-191 between West Yellowstone and the Big Sky / Gallatin Canyon corridor — the main paved approach from Bozeman — and along US-20 west toward the Idaho border at Henrys Lake. Additional feeds capture the US-287 / US-20 junction near Hebgen Lake and the immediate Yellowstone west entrance staging area on Yellowstone Avenue. MDT's Traveler Information system publishes real-time alerts and closures statewide, and our platform makes the West Yellowstone subset accessible alongside the rest of the world's traffic feeds.

Major Highway Corridors

US-191: The Bozeman / Gallatin Canyon Approach

US-191 is the highway that defines West Yellowstone's connection to the rest of Montana. From the Four Corners junction outside Bozeman, the route threads down Gallatin Canyon along the Gallatin River for roughly 90 miles south to West Yellowstone — passing Big Sky resort, the wildlife crossing project area between reference posts 70-73, and Taylor Fork. For the full Bozeman-side context including Gallatin Canyon's 9,000+ vehicles-per-day average and 248 reported accidents in 2024, see our Bozeman, MT traffic cameras guide.

What's distinctive from the West Yellowstone side is the terminus character of the corridor. By the time US-191 reaches town, it's threading through high-elevation forest with limited services and frequent winter snow loads. The road delivers Bozeman-Yellowstone International Airport rental traffic, Big Sky workforce traffic, and Yellowstone-bound RVs into a town grid never designed for the volumes it now sees. Cameras at the canyon mouth, Big Sky junction, and Taylor Fork are the highest-value verification feeds for anyone planning the southbound run.

US-20: Targhee Pass and the Idaho Connection

US-20 leaves West Yellowstone heading west, climbs over Targhee Pass on the Continental Divide, and drops into Idaho at the Henrys Lake basin before continuing southwest toward Ashton, Rexburg, and Idaho Falls. This is the corridor that ties West Yellowstone into the Eastern Idaho economic orbit — for many travelers the Idaho Falls airport is the practical alternative to BZN, especially in winter when Bozeman flights are weather-impacted but Idaho Falls (lower elevation, eastern edge of the Snake River Plain) often runs on schedule.

US-20 is also the corridor that makes Targhee National Forest and Island Park accessible from West Yellowstone. In summer it's a steady RV-and-trailer flow; in winter it's the lifeline route that stays open year-round even when other regional roads close.

US-287: Hebgen Lake, Quake Lake, and the Earthquake Corridor

US-287 splits north from US-20 at the western edge of West Yellowstone and traces the southwestern shore of Hebgen Lake before threading through the Madison River Canyon — site of one of the most consequential geologic events in modern North American history. On August 17, 1959, the M7.3 Hebgen Lake earthquake struck just before midnight, killing 28 people and triggering the largest seismically-triggered landslide in North American recorded history per the USGS. A 1,300-foot section of the south canyon wall collapsed across the Madison River, creating a 220-foot-high natural dam behind which Quake Lake filled almost immediately. Twenty-six campers died at the Rock Creek Campground; nineteen of those bodies remain entombed in the slide mass.

The corridor today is a working highway and a memorial. Driving north along US-287 from West Yellowstone, you pass the Earthquake Lake Visitor Center on the slide's edge, the ghost stumps still standing in the lake bed, and the dropped fault scarps along Hebgen Lake's shore. Camera coverage on this stretch is sparse but valuable — the road sees significant snow loads, and the canyon section between Hebgen Dam and the slide can ice over aggressively in shoulder-season storms.

The West Yellowstone / Idaho / Wyoming Triple-Junction

West Yellowstone is functionally a triple-state road junction wrapped in a small town. US-191 pulls Montana traffic from Bozeman through Big Sky. US-20 pulls Idaho traffic from Idaho Falls and Targhee. US-287 drops down from the Hebgen / Madison corridor. And just past the entrance arch, all of that converges with Wyoming as Yellowstone NP's interior road network takes over. The result is a downtown Madison Avenue (US-20 / US-191 concurrent) that handles Greater Yellowstone Ecosystem traffic from three states feeding one of the most popular national parks in the world.

West Yellowstone Street Cameras vs. Traffic Cameras

While often used interchangeably, West Yellowstone street cameras and traffic cameras serve the same primary purpose: real-time situational awareness. Whether you're searching for "West Yellowstone street cameras" to check Madison Avenue conditions during a July afternoon thunderstorm or "US-191 traffic cams" to verify whether Gallatin Canyon is moving before you commit to a Bozeman run, our platform pulls from the same MDT camera network. These feeds let you confirm whether snow is accumulating on Yellowstone Avenue, whether the entrance line has spilled back onto Canyon Street, or whether US-20 toward Idaho Falls is clear before sunset.

The Yellowstone West Entrance: Busiest Gate in the System

West Yellowstone's gate is not just busy — it's the busy gate. Per NPS visitation statistics, the West Entrance handled the following 2024 vehicle volumes:

• June 2024: 151,177 vehicles — roughly 44% of all park entries that month
• July 2024: 164,541 vehicles
• August 2024: 136,492 vehicles
• September 2024: 132,527 vehicles
• 2024 full year: 778,075 vehicle entries — far more than any other entrance

The North Entrance at Gardiner — Yellowstone's only year-round wheeled-vehicle gate — saw roughly half the West Entrance volume in those same peak months. For the broader park context, see our Yellowstone National Park traffic cameras guide. For the eastern gateway from Wyoming, see Cody, WY traffic cameras.

Snowmobile Capital of the World: The Winter Economy

West Yellowstone calls itself the "Snowmobile Capital of the World" and the claim is well-earned. Per Destination Yellowstone, the town serves 400+ miles of groomed snowmobile trails across Montana, Wyoming, and Idaho, plus 180 miles of groomed roadway inside Yellowstone National Park itself. The snowmobile rental fleets that line Madison Avenue and Canyon Street are the engine of the winter economy, and the over-snow vehicle (OSV) season inside Yellowstone runs December 15 through March 15 per NPS snowmobiling rules, with up to four non-commercially guided groups allowed per day at each over-snow entrance.

This is critical for traffic understanding: during the winter OSV season, Yellowstone's interior roads are NOT open to wheeled vehicles. The only winter wheeled-vehicle access inside the park is the North Loop from Gardiner to Cooke City. Visitors arriving at West Yellowstone in January or February can drive into town, park the rental, and only enter Yellowstone via snowmobile, snowcoach, or guided over-snow tour. Cameras on US-20 and Madison Avenue let drivers verify the approach into town; once at West Yellowstone, the wheeled-vehicle road network ends at the entrance arch.

The winter climate matches the use case. West Yellowstone is snow-covered from early November through early May, with peak snowpack typically 3.5 to 4 feet on the ground in early March. The town also holds the all-time lowest recorded temperature for any residential community in the contiguous United States: −66°F on February 9, 1933 per Extreme Weather Watch. Nearby Rogers Pass, Montana later recorded an even colder −70°F, but West Yellowstone retains the residential record. Drivers used to "Montana cold" should recalibrate; this is sub-arctic territory by lower-48 standards. For broader winter strategy, see our winter driving traffic cameras playbook.

Tourism, Town, and the Three Forks of the Madison

West Yellowstone the town has a real identity beyond the gate. The Grizzly & Wolf Discovery Center on Canyon Street keeps non-releasable grizzlies and gray wolves in a wildlife habitat that doubles as one of the country's premier bear-behavior research sites. The Yellowstone IMAX Theatre runs the Yellowstone giant-screen film year-round. Yellowstone Airport (WYS) sits just north of town and runs limited summer-only commercial service from Bozeman / Salt Lake City connecting hubs.

The hydrology around town is also distinctive. The Madison River — one of the famous "Three Forks of the Missouri" alongside the Jefferson and Gallatin — is born inside Yellowstone at Madison Junction (the confluence of the Firehole and Gibbon) and flows out the west entrance, past West Yellowstone, into Hebgen Lake. The blue-ribbon trout fishery on the upper Madison brings a steady stream of fly-anglers separate from the general tourist flow, and the access points along US-287 along Hebgen Lake's south shore are camera-relevant during the summer hatch windows when shoulder parking on the highway gets dense.

For broader regional context, see our Montana traffic cameras guide, Helena, MT traffic cameras, Billings, MT traffic cameras, Idaho Falls, ID traffic cameras, and the state-level Idaho and Wyoming guides. For the eastern park gateway, see Cody, WY traffic cameras, and for the I-25/I-80 hub far to the south, see Cheyenne, WY traffic cameras and Casper, WY traffic cameras. For the long-haul corridor context, our Interstate 90 traffic cameras overview covers the route that feeds Bozeman from both directions.

Using TrafficVision for West Yellowstone

Our platform aggregates West Yellowstone's MDT camera coverage alongside 140,000+ cameras from 600+ official sources across 130+ countries and all 7 continents. For West Yellowstone drivers, the most useful workflows are:

• Interactive map: Zoom into the Yellowstone west boundary to see US-191, US-20, US-287, and the entrance staging area clustered geographically
• Grid view: Scan all corridor cameras at once during summer surge mornings or winter storm cycles
• Route builder: Plot Bozeman-to-West Yellowstone, Idaho Falls-to-West Yellowstone, or the Cody-to-West Yellowstone Yellowstone-loop route
• Favorites: Bookmark the entrance, US-20 Targhee Pass, US-191 Big Sky junction, and Hebgen Dam for one-click checks
• Search and filter: Find feeds by corridor or area name across the multi-state Yellowstone gateway region

For a different way to explore live cameras across the country, try CamGuessr — watch a random live feed and guess where in the world it is. The Yellowstone caldera and its surrounding gateway corridors make for some of the most distinctive guesses in the game.

Frequently Asked Questions