California Zephyr

Scenic transcontinental route through the Rocky Mountains and Sierra Nevada.

Published 2026-10-02

OperatorAmtrak
CountriesUnited States
FromChicago Union Station
ToEmeryville Station
Length3920 km
GaugeStandard gauge (1,435 mm)
RegionNorth America
Notable stationsDenver · Salt Lake City · Reno

Route overview

The California Zephyr is a daily passenger train operated by Amtrak that runs between Chicago, Illinois, and Emeryville, California, in the United States. The route covers approximately 3,920 kilometres and traverses the states of Illinois, Iowa, Nebraska, Colorado, Utah, Nevada, and California. It is one of the longest and most scenic train journeys in North America, offering passengers views of diverse landscapes ranging from the Great Plains to the Rocky Mountains and the Sierra Nevada. The train typically takes about 52 hours to complete the journey, with scheduled stops at major cities such as Omaha, Denver, Salt Lake City, Reno, and Sacramento. The California Zephyr is particularly renowned for its daytime passage through the Colorado Rockies and the Sierra Nevada, where the train climbs steep grades and passes through numerous tunnels and canyons. The route is a successor to the original California Zephyr, a streamliner service that operated from 1949 to 1970. Today, it remains a popular choice for travellers seeking a long-distance rail experience across the American West.

History of the line

The original California Zephyr was a passenger train operated by the Chicago, Burlington and Quincy Railroad, the Denver and Rio Grande Western Railroad, and the Western Pacific Railroad. It began service in 1949 and ran between Chicago and Oakland, California, via the scenic Feather River Canyon. The train was known for its Vista-Dome cars, which provided panoramic views of the landscape. The service was discontinued in 1970 due to declining ridership and the rise of air travel. When Amtrak took over most intercity passenger rail services in 1971, it initially did not revive the California Zephyr. However, in 1983, Amtrak introduced a new train called the California Zephyr, which used the former route of the Denver and Rio Grande Western through the Rocky Mountains and the former Western Pacific route through the Feather River Canyon. This new route was different from the original, as it did not serve Oakland but instead terminated in Emeryville. Over the years, the route has seen minor adjustments, but it has remained largely consistent. The California Zephyr is now one of Amtrak’s flagship long-distance trains, celebrated for its scenic highlights and historical significance.

Landscape and scenery

The California Zephyr is famous for its spectacular scenery, which changes dramatically as the train travels from the Midwest to the West Coast. After leaving Chicago, the train crosses the flat, agricultural landscapes of Illinois and Iowa, then follows the Platte River through Nebraska. In Colorado, the route enters the Rocky Mountains, climbing to the Moffat Tunnel at an elevation of over 2,800 metres. The section between Denver and Glenwood Springs is particularly scenic, passing through canyons, along the Colorado River, and over the Continental Divide. After Grand Junction, the train traverses the desert landscapes of Utah and Nevada, including the Great Salt Lake and the Bonneville Salt Flats. In California, the route crosses the Sierra Nevada through the historic Feather River Canyon, offering views of rugged mountains, pine forests, and the river. The final leg approaches the San Francisco Bay Area, with a stop in Emeryville where passengers can connect to San Francisco via bus. The variety of landscapes—from plains to mountains to desert—makes the California Zephyr a unique rail experience.

Key stations and cities

The California Zephyr serves numerous stations along its route, with several major cities acting as key stops. Chicago Union Station is the eastern terminus, a major hub for Amtrak and a historic landmark. Denver Union Station is a significant midpoint, where the train begins its climb into the Rockies. Salt Lake City is another important stop, offering access to Utah’s capital and the nearby Great Salt Lake. Reno, Nevada, is a popular stop for its casino resorts and proximity to Lake Tahoe. Sacramento, the capital of California, is a major stop before the train continues to Emeryville. Other notable stations include Omaha, Nebraska; Grand Junction, Colorado; and Helper, Utah. The route also passes through smaller towns such as Glenwood Springs, Colorado, known for its hot springs, and Truckee, California, a historic railroad town. Each station provides access to local attractions and reflects the diverse regions the train traverses. The journey between Chicago and Denver is often done overnight, while the most scenic sections are scheduled during daylight hours for passengers to enjoy.

Rolling stock and service

Amtrak operates the California Zephyr with its Superliner fleet, which includes double-decker cars for coach, sleeper, dining, and lounge services. The train typically consists of two locomotives, several coach cars, a Sightseer Lounge car with large windows, a dining car, and sleeping cars. The Sightseer Lounge is a popular spot for passengers to take in the panoramic views. Accommodations range from coach seats to roomettes and bedrooms in the sleeping cars, which include meals in the dining car. The dining car offers a menu of regional dishes, and the lounge car provides snacks and beverages. The service operates daily in both directions, with a scheduled travel time of about 52 hours. Onboard staff include conductors, sleeping car attendants, and dining car personnel. The California Zephyr is part of Amtrak’s long-distance network and often sells out during peak travel seasons, so early reservations are recommended. The train also offers checked baggage service at many stations. Despite being a long-distance train, it maintains a loyal following among rail enthusiasts and travellers seeking a unique way to cross the country.

Technical facts and engineering

The California Zephyr runs on standard gauge track (1,435 mm) and is powered by diesel-electric locomotives, typically GE Genesis or Siemens Charger models. The route includes several engineering marvels, such as the Moffat Tunnel, a 10-kilometre tunnel under the Continental Divide in Colorado, and the Feather River Canyon route in California, which features numerous bridges and tunnels. The train climbs to high elevations, with the highest point being the Moffat Tunnel at approximately 2,800 metres. The route also crosses the Sierra Nevada at the Donner Pass, although the current route uses the Feather River Canyon instead of the original Donner Pass route. The train operates over tracks owned by various freight railroads, including Union Pacific and BNSF, and Amtrak dispatches the train in coordination with these companies. The maximum speed on the route varies, with some sections allowing up to 127 km/h, but average speeds are lower due to terrain and freight traffic. The California Zephyr is not electrified and relies solely on diesel power. The route’s engineering challenges include steep grades, harsh weather conditions, and remote sections, requiring careful maintenance and operation.

Frequently asked questions

How long does the California Zephyr take? The journey between Chicago and Emeryville is scheduled for approximately 52 hours, but delays can occur due to freight traffic or weather. What is the best time to travel for scenery? The most scenic sections are in Colorado and California, which are typically traversed during daylight hours if the train is on time. Westbound trains usually pass through the Rockies in the afternoon and the Sierra Nevada the following day. Eastbound trains see the Sierra Nevada in the morning and the Rockies in the afternoon. Is the train suitable for families? Yes, the California Zephyr offers coach seating and family bedrooms, and children are welcome. However, there are no organized activities for children. Can passengers get off at intermediate stops? Yes, but the train only stops at stations for a limited time, and passengers cannot disembark for extended periods. The California Zephyr is a transportation service, not a tour, so it is important to adhere to the schedule. Overall, it is a unique way to experience the diverse landscapes of the United States.