Denver's Rich Railway Heritage
Denver's history is deeply intertwined with the railroad. The city's growth in the nineteenth century was driven in large part by rail connections that linked it to the rest of the nation and opened the Rocky Mountains to commerce and travel. That legacy lives on today through a mix of commuter rail, long-distance passenger service, and some of the most spectacular scenic railroads in the country. Whether you are commuting to the airport, embarking on a cross-country journey, or seeking an unforgettable ride through mountain canyons, Denver's railway operators offer remarkable options.
Below are ten of the best railway operators and rail services connected to Denver, celebrated for their reliability, scenery, and passenger experience.
1. Amtrak (California Zephyr)
The famed California Zephyr, operated by Amtrak, passes through Denver's Union Station on its journey between Chicago and the San Francisco Bay Area. The stretch through the Colorado Rockies is widely considered one of the most scenic rail routes in North America, offering breathtaking views of canyons and mountain landscapes.
2. RTD Commuter Rail (A Line)
The Regional Transportation District operates the A Line, a commuter rail service connecting Union Station to Denver International Airport. Fast, affordable, and reliable, it is the go-to option for travelers seeking a smooth connection between downtown and the airport.
3. RTD Commuter Rail (Regional Lines)
Beyond the airport line, RTD's broader commuter rail network links downtown Denver with surrounding suburbs. These lines provide residents and visitors with a convenient, congestion-free alternative to driving across the metro area.
4. Georgetown Loop Railroad
A beloved heritage railroad, the Georgetown Loop takes passengers on a historic narrow-gauge journey through the mountains near Denver. Its restored steam and diesel locomotives and dramatic trestle crossings offer a nostalgic and family-friendly experience.
5. Rocky Mountaineer
Known for luxury rail journeys, Rocky Mountaineer offers premium scenic routes that showcase the grandeur of the American West. Its glass-domed coaches, gourmet dining, and attentive service make it a bucket-list experience for travelers seeking indulgent rail travel.
6. Winter Park Express
Operated seasonally in partnership with Amtrak, the Winter Park Express carries skiers and snowboarders directly from Denver's Union Station to the slopes of a popular mountain resort. This convenient ski train eliminates the stress of winter mountain driving.
7. Colorado Railroad Museum Excursions
The Colorado Railroad Museum operates special excursion trains and heritage rides that celebrate the state's rail history. Its lovingly preserved locomotives and rolling stock delight railfans and history enthusiasts alike.
8. Cumbres and Toltec Scenic Railroad
Though located in southern Colorado, this celebrated narrow-gauge railroad draws many travelers from Denver. Its winding route through high mountain passes aboard authentic steam trains offers an immersive journey into the past.
9. Durango and Silverton Narrow Gauge Railroad
Another iconic Colorado railroad accessible to Denver travelers, the Durango and Silverton offers a stunning steam-powered ride through rugged canyons and along dramatic river gorges. It is regularly ranked among the most beautiful train rides in the world.
10. Pikes Peak Cog Railway
Reaching the summit of a famous fourteen-thousand-foot peak, the Pikes Peak Cog Railway is one of the highest railways in the world. Popular with Denver-area visitors, it delivers panoramic views that inspired generations of travelers.
Choosing the Right Rail Experience
The ideal railway service depends on your goals. For practical transportation, RTD commuter rail provides efficient, affordable connections around the metro area and to the airport. For long-distance travel with unforgettable scenery, Amtrak's California Zephyr is unmatched. For a special outing, heritage and scenic railroads such as the Georgetown Loop and Pikes Peak Cog Railway turn the journey itself into the destination.
Consider the season as well. Ski trains like the Winter Park Express operate during winter months, while many scenic and heritage railroads run primarily in warmer seasons. Booking ahead is especially important for popular scenic routes and luxury services, which can sell out well in advance during peak travel periods.
Tips for Enjoyable Rail Travel
Arrive early to allow time for boarding, and bring layers, since mountain temperatures can change quickly even in summer. For scenic routes, choose seating on the side with the best views when possible, and keep your camera ready for dramatic vistas. Staying hydrated is wise given Colorado's high elevation, and reviewing schedules in advance helps you make smooth connections.
Preserving Colorado's Rail Legacy
Colorado's scenic and heritage railroads do more than entertain; they preserve an important chapter of the state's history. Dedicated organizations and passionate volunteers work tirelessly to restore vintage locomotives, maintain historic tracks, and keep the stories of the railroad era alive. Riding these trains supports preservation efforts and educates new generations about the vital role rail played in shaping the American West. Many operators also offer special seasonal events, holiday themed rides, and educational programs that deepen appreciation for this living history. By choosing to travel by rail, visitors contribute to sustaining these treasured experiences while enjoying some of the most breathtaking scenery Colorado has to offer.
Final Thoughts
From efficient commuter lines to legendary scenic railroads, Denver's rail options offer something for every kind of traveler. Whether you ride the RTD A Line to the airport, journey across the Rockies aboard the California Zephyr, or climb toward a mountain summit on a historic cog railway, rail travel remains one of the most rewarding ways to experience Colorado. By choosing the right operator and planning ahead, you can enjoy the beauty, history, and convenience that define railway travel in the Mile High region.