Sun Valley

State: Idaho. Type: resort city and alpine ski destination in Blaine County, in the Wood River Valley adjacent to Ketchum. Founded December 21, 1936 by W. Averell Harriman, chairman of the Union Pacific Railroad; widely described as the first destination winter resort in the United States. Home to the world's first chairlifts, installed in fall 1936. Lodge elevation about 5,920 feet; Bald Mountain summit about 9,150 feet. 2020 census population: 1,783.

Sun Valley sits in central Idaho's Wood River Valley, tucked against Bald Mountain and next to the town of Ketchum in Blaine County. The resort was conceived in the mid-1930s by W. Averell Harriman, then chairman of the Union Pacific Railroad, who wanted a European-style winter destination that would draw passengers west on his trains. Opened in December 1936, it is generally credited as the first destination winter resort in the United States, and it introduced the world's first chairlifts that same year on Dollar and Proctor mountains. A Union Pacific publicist coined the name "Sun Valley" to play up the area's abundant sunshine. The resort quickly became a magnet for Hollywood stars and writers; Ernest Hemingway finished work on "For Whom the Bell Tolls" at the Sun Valley Lodge in 1939, later settled in nearby Ketchum, and is buried there. During World War II the resort closed and served as a Navy convalescent hospital before reopening in December 1946. Today Sun Valley is a year-round mountain retreat: world-class skiing on Bald Mountain and beginner-friendly terrain on Dollar Mountain in winter, and hiking, mountain biking, fly fishing and golf in the warmer months, all set against the nearby Sawtooth and Boulder ranges.

Sun Valley is in Blaine County in central Idaho's Wood River Valley, immediately adjacent to the town of Ketchum, with Hailey a short drive south down the valley. The resort area covers roughly 9.89 square miles. The Sun Valley Lodge sits at about 5,920 feet in elevation, while the summit of Bald Mountain reaches about 9,150 feet. The valley is flanked by the Boulder, Pioneer and Smoky mountains, with the Sawtooth National Recreation Area to the north.

Sun Valley has a dry-summer humid continental mountain climate. Winters are cold and snowy, delivering the powder that built the resort's reputation, with average annual snowfall of about 121 inches. Average annual precipitation is around 17 inches. Summers are generally warm and dry with cool nights typical of high elevation, making the shoulder seasons and summer comfortable for outdoor recreation. Because of the altitude, temperatures can swing sharply between day and night in any season.

There are two clear peak seasons. Winter, roughly December through March, is prime for skiing and snowboarding on Bald Mountain and Dollar Mountain. Summer, roughly June through September, brings warm, dry days ideal for hiking, mountain biking, fly fishing and golf. Spring and fall are quieter shoulder periods with fewer crowds, though some lifts and facilities operate on reduced schedules. Choose winter for snow sports and summer for the mountain-town outdoor scene.

The resort was developed in the mid-1930s by W. Averell Harriman, chairman of the Union Pacific Railroad, who sought to build a European-style winter resort to increase rail travel to the American West. Sun Valley opened on December 21, 1936, and is generally described as the first destination winter resort in the United States. That same fall, the world's first chairlifts were installed on Dollar and Proctor mountains. A Union Pacific publicist named Steve Hannagan coined the name "Sun Valley" to promote the area's plentiful sunshine, and the publicity campaign drew a steady stream of Hollywood celebrities to the Wood River Valley, including Gary Cooper, Clark Gable and, later, Marilyn Monroe. Ernest Hemingway completed "For Whom the Bell Tolls" at the Sun Valley Lodge in the fall of 1939; he later relocated to Ketchum and is buried there. During World War II the resort closed in 1942 and was converted into a Navy convalescent hospital, reopening to guests in December 1946. Ownership passed from Union Pacific to the Janss Investment Company in 1964 and to Earl Holding in 1977. The addition of nearby Elkhorn Resort in 1970 helped push Blaine County toward true year-round recreation.

In winter, the main draw is downhill skiing and snowboarding on Bald Mountain, which offers a vertical drop of about 3,400 feet and terrain suited to intermediate and advanced skiers, plus beginner and lower-intermediate runs on Dollar Mountain. The resort operates a large network of lifts and extensive snowmaking. In the warmer months, visitors hike and mountain bike the surrounding trails, fly fish the Wood River and nearby waters, play golf, and enjoy spa and wellness offerings. The Sun Valley Lodge and village anchor dining and after-ski gathering spots. Cultural events include the Sun Valley Film Festival, held since 2012, and the Sun Valley Writers' Conference, running since 1995.

Key sites include Bald Mountain ("Baldy"), the resort's marquee ski mountain, and Dollar Mountain, the historic beginner hill where chairlift skiing began. The Sun Valley Lodge, opened in 1936, is a landmark in its own right. Nearby Ketchum offers a walkable mountain-town core of shops, galleries and restaurants, and the Ernest Hemingway grave and memorial draw literary pilgrims. Beyond the resort, the Sawtooth National Recreation Area and its alpine lakes and peaks are a major scenic destination reachable by driving north up the valley.

The closest airport is Friedman Memorial Airport in Hailey, which the resort reports offers nonstop flights from a number of major cities, including Seattle, Los Angeles, San Francisco, San Diego, Phoenix, Salt Lake City, Denver and Chicago; flight availability is seasonal, so confirm current schedules. Many visitors instead fly into Boise, roughly 130 miles to the south, and drive up via State Highway 75 through the Wood River Valley. A car is useful for exploring Ketchum, Hailey and the surrounding mountains, though the immediate resort village and Ketchum are walkable and served by local transit.

Sun Valley is a resort town rather than a single gated attraction, so there are no single set opening hours; the town and its trails are accessible year-round. Ski-lift operating dates and hours are seasonal and vary each winter, and summer activities and facilities run on their own schedules. Confirm current lift, activity and facility hours on the resort's official site before visiting. Exact seasonal operating hours were not verified against an operator page during research.

There is no general admission fee to enter Sun Valley or Ketchum. Skiing and snowboarding require lift tickets or passes for Bald Mountain and Dollar Mountain, and individual activities such as golf, guided fishing, and spa services carry their own charges set by the resort and local operators. Specific current lift-ticket and activity prices were not verified against an operator page during research and should be checked on the resort's official site before you go.

A ski or mountain-recreation trip to Sun Valley typically runs a long weekend to a full week to make the travel worthwhile and to enjoy the mountain, town and surrounding backcountry. A shorter day or overnight visit is possible if you are passing through the region or focusing on a single activity.

Lodging ranges from the historic Sun Valley Lodge and resort properties to condominiums, vacation rentals and campgrounds, per the resort's own visitor information. The neighboring town of Ketchum offers additional hotels and inns within easy reach of the mountain, and Hailey, a little farther down the valley, provides more options. Rates and availability swing sharply with the winter and summer peak seasons, so booking well ahead is advisable for holidays and prime ski or festival weekends.

The resort area and Ketchum support a varied dining scene, described by the tourism board as ranging from five-star dining and after-ski beers to family-friendly eateries. Ketchum's compact downtown holds the densest cluster of restaurants, bars and cafes, while the Sun Valley village has its own lodge and resort dining. Because this is a mountain resort town, reservations are wise during peak winter and summer periods.

Ketchum, immediately adjacent, and Hailey, down the valley, are the closest towns worth exploring. To the north, the Sawtooth National Recreation Area offers dramatic peaks, alpine lakes and extensive trails. Craters of the Moon National Monument and Preserve, a striking volcanic landscape, is a popular longer day trip to the southeast. The broader Wood River Valley and surrounding national forest lands provide abundant hiking, biking and fishing.

Friedman Memorial Airport in Hailey is the nearest airport with scheduled service, offering seasonal nonstop flights from several major cities. Boise Airport, about 130 miles south, is the nearest large hub and a common gateway for those driving in via Highway 75. There is no passenger rail service to the valley; local bus transit connects Sun Valley, Ketchum and Hailey, but a rental car is the most flexible way to reach and explore the wider area.

Sun Valley sits at high elevation, so allow time to acclimate, stay hydrated and use sun protection, since UV exposure is stronger in the mountains. In winter, dress in layers, check avalanche and weather advisories before venturing into the backcountry, and stay on open, marked ski terrain. In summer, carry water and be prepared for rapid weather changes and cool nights on trails. Mountain roads can be snowy or icy in the colder months, so drive cautiously. For any emergency, dial 911.

For winter visits, pack warm layers, a waterproof jacket and pants, gloves, a hat, goggles or sunglasses and high-SPF sunscreen for the snow and altitude. For summer, bring sturdy footwear for hiking, a refillable water bottle, sun protection and a light jacket for cool evenings. Year-round, lip balm and moisturizer help with the dry mountain air, and a reusable water bottle is useful given the elevation.

Book lodging and lift tickets well ahead for winter holidays and popular summer festival weekends, when the valley fills up. Give yourself a day to adjust to the altitude before strenuous activity. Consider flying into Boise and driving the scenic route up Highway 75 if flights into Friedman Memorial are limited or costly. Pair a Sun Valley stay with a drive north into the Sawtooth National Recreation Area or a day trip to Craters of the Moon for contrast. Check current lift, trail and event schedules on the resort's official site, since they vary seasonally.

For any emergency, dial 911, the nationwide emergency number in the United States. Sun Valley lies within Blaine County, Idaho; a specific resort or visitor-center phone line was not verified against an official page during research, so check visitsunvalley.com for current contact details.

Visit Sun Valley - https://visitsunvalley.com

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.