Ptarmigan Pass (Sawatch Range)

Searle Pass, elevation 12,034 ft (3,668 m), is a mountain pass in the Gore Range of the Rocky Mountains of Colorado. The pass is traversed by a path shared by the Continental Divide National Scenic Trail and the Colorado Trail.

Vail Pass is a 10,662-foot-high (3,250 m) mountain pass in the Rocky Mountains of central Colorado. The pass was named for Charles Vail, a highway engineer and director of the Colorado State Highway Department from 1930 to 1945.Vail Pass lies on the boundary between Eagle and Summit counties, between Vail on the west and Copper Mountain on the east. It provides the route of Interstate 70 (and earlier U.S. Highway 6) between the upper basins of the Eagle River and the Blue River, both tributaries of the Colorado River. Black Gore Creek, a tributary of Gore Creek, in the watershed of the Eagle, descends from the north side of the pass towards the town of Vail. West Tenmile Creek, in the watershed of the Blue, descends from the south side. The pass is significantly steep on either side (7% max.), and two runaway truck ramps are available on the west bound side for trucks. The pass has been featured on dangerousroads.org as one of the most difficult sections of road to navigate in Colorado: "Vail Pass, a difficult road in Colorado", due to its extreme grade, high elevation and frequent weather related hazardous driving conditions. The pass was not a traditional historical route of the Rockies. Prior to 1940, the most common route westward was over nearby Shrine Pass, just to the south, which leads to the town of Red Cliff in the upper Eagle Valley. In 1940, the construction of U.S. Highway 6 bypassed Shrine Pass in favor of the current route to the valley of Gore Creek.

Copper Mountain is an unincorporated community and a census-designated place (CDP) located in and governed by Summit County, Colorado, United States. The CDP is a part of the Breckenridge, CO Micropolitan Statistical Area. The population of the Copper Mountain CDP was 650 at the United States Census 2020. The Copper Mountain Consolidated Metropolitan District provides services. The Frisco post office (Zip Code 80443) serves the area. The Copper Mountain CDP includes the Copper Mountain Ski Resort and Copper Mountain village.

Shrine Pass, elevation 11,094 ft (3,381 m), is a mountain pass in the Sawatch Range of central Colorado. The pass is located at the northern end of the Sawatch Range, along the border of Eagle and Summit counties west of Frisco and 2 miles (3.2 km) northwest of Vail Pass. It is traversed by a narrow unpaved road connecting the eastern side of Vail Pass near Interstate 70 (east) with the town of Red Cliff in the upper valley of the Eagle River (west). Most of the time, it is a 4WD or jeep trail; however, in ideal weather the road is considered traversable by sturdy 2WD vehicles and light trucks. The pass was formerly the principal route between the upper valleys of the Blue and Eagle before the construction of U.S. Highway 6 over nearby Vail Pass, which subsequently became the main route. The pass offers scenic view of wildflower meadows and pine woodlands during the summer and autumn months, as well as distant view of Mount of the Holy Cross to the north. It is especially popular as a sightseeing route during the autumn months. During the winter, it is a popular snowmobile and cross-country skiing route. A car shuttle from the resort town of Vail in the Eagle Valley to the town of Red Cliff allows skiers to access the pass. After a one-mile hike upwards, it is possible to descend a ten-mile course back down to the town of Red Cliff.

Jacque Peak is a high and prominent mountain summit in the Gore Range of the Rocky Mountains of North America. The 13,211-foot (4,027 m) thirteener is located in the White River National Forest, 1.6 miles (2.5 km) south by east (bearing 173°) of the resort community of Copper Mountain in Summit County, Colorado, United States.

Kokomo Pass, elevation 12,027 ft (3,666 m), is a mountain pass in the Gore Range of the Rocky Mountains of Colorado in the United States.

Kokomo Gulch is a valley in the U.S. state of Colorado.A share of the first settlers at Kokomo Gulch being natives of Kokomo, Indiana caused the name to be selected.

Kokomo is a silver- and gold-mining ghost town in Summit County, in the U.S. state of Colorado. Before being depopulated in the 1960s, Kokomo was at its height home to over 10,000 people.

Clinton Gulch Dam Reservoir is a reservoir in Summit County, Colorado near Fremont Pass. It supplies water for irrigation, municipal water supply, and snowmaking. Colorado State Highway 91 goes over the top of the dam.Water from the reservoir makes its way to Tenmile Creek. It then flows through Dillon Reservoir and to the Blue River, from where it is distributed.

Red Cliff (sometimes spelled Redcliff) is a statutory town in Eagle County, Colorado, United States. The population was 257 at the 2020 census. The town is a former mining camp situated in the canyon of the upper Eagle River just off U.S. Highway 24 north of Tennessee Pass. The town site is concealed below the highway (which passes over the Red Cliff Truss Bridge) and is accessible by a side road leading to Shrine Pass in the Sawatch Range.

Red Cliff Bridge is a cantilevered steel arch bridge located about 0.5 mi (0.80 km) southwest of the town of Red Cliff, Colorado, one of Colorado's iconic bridges. The bridge carries U.S. Highway 24 over the Eagle River, as well as a county road, and the former Union Pacific Railroad track that heads south toward Tennessee Pass and the city of Leadville. One of only two steel arch bridges within Colorado, Red Cliff Bridge has been listed on the National Register of Historic Places since 1985 and is the state's only cantilevered steel arch bridge.The bridge was designed by King Burghardt, an engineer at the Colorado Department of Highways, and built by contractor P.M. Kenney in 1940, using steel components fabricated by the Minnesota-Moline Power Implement Company. Construction was difficult, with workers hanging over a 200 ft (61 m) drop while working in temperatures that sometimes dipped below 0 °F (−18 °C). Burghardt wrote in his journal, "In the morning, each gang was lifted to its scaffold on a platform hung from the high line. They took their lunches with them and spent the entire day in the air with the winter wind continually blowing up the canyon."After more than 60 years since its construction, the bridge had deteriorated to the point that major restoration work was required. The work was completed between March and November 2004 at a cost of $3.6 million, with $1.6 million coming from the Federal Highway Administration. The bridge deck was replaced and widened and much of the steel was repainted. However, because of the bridge's historic status, care was taken to maintain the visual aesthetic. The rehabilitation effort won the 2005 National Steel Bridge Alliance Prize Bridge Award for the year's best reconstructed bridge.

Blue Sky Basin is the most recent expansion to Vail Ski Resort in Colorado in the United States. It is the most debated and controversial ski area expansion in Colorado history. It opened to skiers in 2000 despite conflict about whether the expansion would endanger the lynx, a mountain cat re-introduced into the Colorado wilds. In response, the largest eco-terrorist attack in the United States occurred at Vail in 1998 - a $12 million incident involving several Vail facilities, including the destruction of the Two Elk restaurant. Authorities believe it was planned by William C. Rodgers and other environmental activists. The FBI launched Operation Backfire, which eventually led to convictions of the arsonists. The incident created sympathy for the resort, if not necessarily for Blue Sky Basin or the corporate owner, Vail Resorts. The Basin opened on 6 January 2000 with three high-speed quad chairlifts, an extra 525 acres (2.12 km2) added to Vail's already enormous size — over 5,000 acres (20 km2). Blue Sky Basin offers a more natural ski experience down its 1,900-foot (580 m) vertical drop, with mostly meadows and glades, rather than wide, clear-cut runs.