Hidden Lake is a small glacial lake

Glacial lake

A glacial lake is a lake with origins in a melted glacier. Near the end of the last glacial period, roughly 10,000 years ago, glaciers began to retreat. A retreating glacier often left behind large deposits of ice in hollows between drumlins or hills. As the ice age ended, these melted to create...

 in the Skoki Valley of Banff National Park

Banff National Park

Banff National Park is Canada's oldest national park, established in 1885 in the Rocky Mountains. The park, located 110–180 kilometres west of Calgary in the province of Alberta, encompasses of mountainous terrain, with numerous glaciers and ice fields, dense coniferous forest, and alpine...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. It is located in the Slate Range of the Canadian Rockies

Canadian Rockies

The Canadian Rockies comprise the Canadian segment of the North American Rocky Mountains range. They are the eastern part of the Canadian Cordillera, extending from the Interior Plains of Alberta to the Rocky Mountain Trench of British Columbia. The southern end borders Idaho and Montana of the USA...

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The lake can be reached by following a 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...

 trail for 8.4 km (5.2 mi) starting at Fish Creek, at the base of Lake Louise Mountain Resort

Lake Louise Mountain Resort

The Lake Louise Ski Area is a ski resort located in Banff National Park, near the village of Lake Louise, Alberta, Canada. It can be reached from Banff, from where it is a 35 to 45 minute drive west on Trans-Canada Highway, or Calgary, a 2-hour drive...

, near Lake Louise

Lake Louise, Alberta

Lake Louise is a hamlet in Alberta, Canada within Improvement District No. 9 Banff . It is named for the nearby Lake Louise, which in turn was named after the Princess Louise Caroline Alberta , the fourth daughter of Queen Victoria, and the wife of John Campbell, the 9th Duke of Argyll, who was the...

. A backcountry campground is situated one km before reaching the lake. The lake is the starting point for ascents

Mountaineering

Mountaineering or mountain climbing is the sport, hobby or profession of hiking, skiing, and climbing mountains. While mountaineering began as attempts to reach the highest point of unclimbed mountains it has branched into specialisations that address different aspects of the mountain and consists...

 of Mount Richardson

Mount Richardson (Alberta)

Mount Richardson is the highest mountain of the Slate Range located beside Pika Peak in Banff National Park. The mountain was named in 1859 by James Hector after Sir John Richardson who was the ship's surgeon and naturalist on John Franklin's 1819 and 1825 expeditions into the Arctic.The Lake...

, Pika Peak

Pika Peak

Pika Peak is a mountain located between Mount Richardson and Ptarmigan Peak in Banff National Park. The mountain was named in 1928 after the pika, the small "rock rabbit" that inhabits alpine regions....

 and Ptarmigan Peak are possible.

The glacial

Glacial lake

A glacial lake is a lake with origins in a melted glacier. Near the end of the last glacial period, roughly 10,000 years ago, glaciers began to retreat. A retreating glacier often left behind large deposits of ice in hollows between drumlins or hills. As the ice age ended, these melted to create...

 waters of the lake are drained by Corral Creek through the Sikoki Valley into the Bow River

Bow River

The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

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