Twilight Peak

Snowdon Peak is a 13,077-foot-elevation (3,986-meter) mountain summit located in San Juan County, Colorado, United States. It is situated seven miles south of the community of Silverton, in the Weminuche Wilderness, on land managed by San Juan National Forest. It is part of the San Juan Mountains range which is a subset of the Rocky Mountains of North America, and is set nine miles west of the Continental Divide. Topographic relief is significant as the east aspect rises 4,300 feet above the Animas River in approximately 1.5 mile. Neighbors include Mount Garfield three miles to the east-southeast, and Twilight Peak, which is the nearest higher peak, 3.7 miles to the south-southwest. This mountain can be seen from U.S. Route 550. The mountain is named after Snowdon, the highest mountain in Wales.

Grand Turk is a 13,167-foot-elevation (4,013-meter) mountain summit in San Juan County, Colorado, United States. It is located three miles (4.8 km) southwest of the community of Silverton, on land managed by San Juan National Forest. Grand Turk is eight miles (13 km) west of the Continental Divide in the San Juan Mountains which are a subrange of the Rocky Mountains. Grand Turk is visible from viewpoints along Highway 550. Precipitation runoff from the mountain drains into tributaries of the Animas River. Topographic relief is significant as the summit rises nearly 4,000 feet above the river in 1.75 mile. Neighbors include Bear Mountain, 2.25 miles to the northwest, and line parent Sultan Mountain, 0.67 mile to the north-northwest. The mountain's toponym has been officially adopted by the United States Board on Geographic Names, and has been recorded in publications since at least 1901.