Emerald Lake is a small lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 near the summit of Mount Timpanogos

Mount Timpanogos

Mount Timpanogos, sometimes informally referred to as Timp, is the second highest mountain in Utah's Wasatch Range. Timpanogos rises to an elevation of 11,749 feet above sea level in the Uinta National Forest...

 in Utah

Utah

Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

's Wasatch Range

Wasatch Range

The Wasatch Range is a mountain range that stretches approximately from the Utah-Idaho border, south through central Utah in the western United States. It is generally considered the western edge of the greater Rocky Mountains, and the eastern edge of the Great Basin region...

. It is northeast of the summit, at the base of the almost vertical northeast face of the mountain. Mount Timp Glacier flows downhill to the lake, and probably provides most of the lake's water inflow during summer. The lake is accessible by hiking

Hiking

Hiking is an outdoor activity which consists of walking in natural environments, often in mountainous or other scenic terrain. People often hike on hiking trails. It is such a popular activity that there are numerous hiking organizations worldwide. The health benefits of different types of hiking...

, the Aspen Grove trail being the fastest way to reach it; it is about 5 miles, (or two-thirds) up that trail on the way to the summit.