Alpine Passes Requiring Snow Chains in North America

This historic mountain pass offers stunning views of the San Juan Mountains but frequently closes to regular vehicles during heavy snowfall. Drivers must carry emergency supplies and may be required to use chains or tire chains if conditions deteriorate unexpectedly.

A remote and rugged road leading to Stehekin, often closed in winter due to heavy snow accumulation. Travelers are advised to check current conditions and equip their vehicles with chains, as rescue services are limited and roads can become impassable quickly.

Reaching the highest paved road in North America, this route is closed annually from late October to late June. When open, sudden storms can occur, and while chains are less common due to high altitude, drivers should be prepared for ice and snow.

An engineering marvel spanning the Rocky Mountains, this scenic route is typically open only from June to mid-October. In early spring or late fall, snow chains may be required, and drivers must navigate steep grades and narrow lanes with caution.

Driving over the historic St. Elmo Bridge and through the Slate River Canyon requires careful navigation in winter. Snow chains are often mandatory during storms, and the steep, winding roads demand reliable traction and experienced winter driving skills.

This iconic parkway is fully closed to vehicles in winter, but the surrounding areas may require chains for access roads. Visitors should plan for icy conditions on adjacent routes and carry emergency gear, as cell service is unreliable in the park.

At over 12,000 feet, this road is often closed due to snow and ice from October to May. During transitional periods, chains may be required for entry, and drivers must be prepared for rapid weather changes and thin air at high altitudes.

This route winds through the Sawtooth Mountains, where winter storms can create hazardous driving conditions. While not always requiring chains, drivers should be equipped with them, especially when traveling during or after significant snowfall events.

The eastern entrance to Yosemite is closed in winter, but the access roads to Tioga Pass often require chains during snow events. Travelers should check Caltrans alerts and carry chains, as the high elevation can lead to sudden whiteout conditions.

One of the steepest paved roads in the world, this route is closed from November to May. When accessible in shoulder seasons, chains may be required due to extreme wind and ice, making vehicle preparation critical for safety.

Traveling to Denali in winter involves navigating remote, snowy landscapes where chains are essential for traction. Drivers must be self-sufficient, carrying extra fuel, food, and emergency gear, as services are sparse and weather can change abruptly.

While not requiring traditional snow chains, this high-altitude road often has ice and snow, requiring tire chains or cables for vehicles. Drivers should be prepared for freezing temperatures and icy patches, especially in the early morning or late night.

The access roads to popular winter hiking destinations like Cascade Pass often require chains or snow tires. These routes are steep and winding, and drivers should be prepared for icy conditions and limited visibility during winter storms.

Part of the Beartooth Highway, this pass can experience severe winter storms requiring chains. The high altitude and exposure to wind make driving conditions treacherous, necessitating proper vehicle preparation and cautious driving.

Routes leading up Mount Hood often require chains during winter months due to heavy snowfall. Drivers should be prepared for icy roads and limited visibility, and should carry chains even if not strictly required at all times.

This historic route is prone to heavy snow and ice, often requiring chains for safe passage. The remote location means drivers must be self-reliant, carrying extra supplies and emergency equipment in case of breakdowns or delays.

Known as 'Windiest Place in America,' this canyon route can be hazardous in winter due to strong gusts and snow. Chains may be required during storms, and drivers should exercise caution due to reduced visibility and slippery conditions.

This loop route through the San Juans includes several high passes that may require chains during winter. Drivers should be prepared for steep grades and narrow roads, and should check local conditions before embarking on the journey.

Driving from Tucson to the summit of Mount Lemmon involves a significant elevation gain, leading to snow and ice at the top. Chains may be required, and drivers should be prepared for sudden weather changes and icy road conditions.

This scenic route through the Sawtooth Mountains is often closed in winter, but access roads may require chains. Drivers should be prepared for remote conditions and carry emergency supplies, as cell service is limited and rescue may be delayed.

A critical route connecting Reno to South Lake Tahoe, this highway is prone to heavy snow and ice. Chains are frequently required during winter storms, and drivers should be prepared for steep grades and winding roads with limited escape routes.