Alpine Tunnel
The first railway tunnel to cross the Continental Divide, it was once the highest railroad tunnel in North America at 11,523 feet. Abandoned in 1910, its trackbed is now a trail.

📜 Historic narrow-gauge railroad tunnel across the Continental Divide.
🔍 Located in Chaffee/Gunnison counties, Colorado, at 11,523 feet elevation.

Why Go

🚂 Explore a significant railway engineering marvel
🚶 Hike or bike along the former railbed
🏞️ Experience high-altitude Colorado scenery
🏛️ Visit a National Register of Historic Places site

Why Avoid

⚠️ Limited access, especially to west portal, may require 4WD/ATV
❄️ Closed during winter months
🚧 Road damage can make access unpredictable

Tips

📅 Best to visit July to September for open access.
🚗 High-clearance vehicle recommended for some access roads.
🗺️ Check local conditions before planning your trip.

Hours

🕒 Typically open July to September.

🅿️ Parking

Access roads lead to the historic district.

Last updated 1 day ago

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