Banff vs Yellowstone National Park

Banff

Banff has a subarctic/continental mountain climate with long, cold winters and short, pleasant summers. Temperatures are significantly affected by elevation — Lake Louise at 1,540 m is typically 5-8°C cooler than Banff at 1,383 m. Chinook winds can raise winter temperatures by 20°C in hours. Weather changes rapidly in the mountains. Always pack layers.

Yellowstone National Park

Yellowstone has a high-elevation continental climate dominated by its altitude — most of the park sits at 7,000-8,500 feet, which means summer highs are pleasant but nights are cold year-round, and winters are genuinely severe. Snow is possible in every month. Weather varies enormously across the park: Mammoth (lowest elevation) can be 15°F warmer than Old Faithful on the same day. Always pack layers and rain gear.

Banff

A car is the most practical way to explore Banff, especially for the Icefields Parkway, Bow Valley Parkway, and reaching trailheads. However, Roam Transit provides excellent bus service within Banff townsite and to Lake Louise, Canmore, and Johnston Canyon. Moraine Lake requires a Parks Canada shuttle (no private vehicles) from 2023 onward.

Walkability: Banff townsite is compact and easily walkable with restaurants, shops, and the Banff Gondola base within walking distance. The Bow River trail system offers pleasant riverside walks. Lake Louise village is small with a few shops and hotels. Most trailheads require driving or a bus/shuttle.

Yellowstone National Park

A private vehicle is essentially required — there is no public transit into or through Yellowstone, no reliable rideshare inside the park, and the Grand Loop Road (142 mi figure-8) connects the major sights with distances that demand a car. Xanterra operates in-park shuttle bus tours from the lodges that can supplement but not replace a personal vehicle. In peak summer, expect bison traffic jams that can stop traffic for 30+ minutes, a 45 mph park-wide speed limit, and parking lots that fill by 8-9am at popular features.

Walkability: Yellowstone is not walkable between areas — distances are too great and there are no sidewalks along park roads. Within villages (Old Faithful, Canyon, Mammoth, Lake) you can walk between lodges, restaurants, and visitor centers. Boardwalk systems around geyser basins (Upper, Midway, Lower, Norris, Mammoth) are extensive and allow hours of thermal feature exploration on foot.