Qassersuaq Peninsula is a mainland peninsula

Peninsula

A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....

 in northwestern Greenland

Greenland

Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...

, located in the south-central part of Upernavik Archipelago

Upernavik Archipelago

Upernavik Archipelago is a vast archipelago of small islands in the Qaasuitsup municipality in northwestern Greenland, on the coast of northeastern Baffin Bay...

Geography

The peninsula is of triangular shape, with the base adjacent to the Greenland ice sheet

Greenland ice sheet

The Greenland ice sheet is a vast body of ice covering , roughly 80% of the surface of Greenland. It is the second largest ice body in the world, after the Antarctic Ice Sheet. The ice sheet is almost long in a north-south direction, and its greatest width is at a latitude of 77°N, near its...

 , south of the Alanngorsuup Sermia

Alanngorsuup Sermia

Alanngorsuup Sermia is a tidewater glacier in the Qaasuitsup municipality on the northwestern shore of Greenland. It drains the Greenland ice sheet northwestwards into Tasiusaq Bay. The glacier front is located to the south of the Nunatarsuaq nunatak, and to the north of the Qassersuaq Peninsula...

 glacier. The distance from the Qaassorsuaq promontory in the west at 73°05′10"N 55°42′55"W, to the innermost unglaciated part of the mainland is 24.3 km (15.1 mi). In the northwest, the inner waterways of southern Tasiusaq Bay

Tasiusaq Bay

Tasiusaq Bay is a bay in the Upernavik Archipelago in the Qaasuitsup municipality in northwestern Greenland. It is an indentiation of northeastern Baffin Bay...

 weakly indent the peninsula with the Nuniaat Bay. In the south, the Qassersuit Saqqaa

Qassersuit Saqqaa

Qassersuit Saqqaa is a strait of Greenland. It is located in the Upernavik Archipelago....

 strait separates the peninsula from a chain of larger islands of the archipelago, bounding Upernavik Icefjord

Upernavik Icefjord

Upernavik Icefjord is a fjord in the Qaasuitsup municipality in northwestern Greenland.- Geography :The long fjord flows to the northwest between two chains of islands, emptying into Baffin Bay...

 from the northeast: Maniitsoq Island

Maniitsoq Island (Upernavik Archipelago)

Maniitsoq Island is a island of Greenland. It is located in Tasiusaq Bay in the Upernavik Archipelago....

, Puugutaa Island

Puugutaa Island

Puugutaa Island is a island of Greenland. It is located in Tasiusaq Bay in the Upernavik Archipelago....

, Sisuarissut Island

Sisuarissut Island

Sisuarissut Island is a island of Greenland. It is located in Tasiusaq Bay in the Upernavik Archipelago....

, and Qaneq Island

Qaneq Island

Qaneq Island is a island of Greenland. It is located in Tasiusaq Bay in the Upernavik Archipelago....

.

The peninsula is very mountainous, culminating in several glaciated summits. The highest, unnamed peak in the center of the peninsula reaches 1160 m (3,805.8 ft). Other named summits include Qassersuit

Qassersuit

Qassersuit is a mountain of Greenland. It is located in the Upernavik Archipelago....

 at 1080 m (3,543.3 ft) in the center, Issumaarsuaq at 870 m (2,854.3 ft) in the north, and Nuniaat Qaqqarsua

Nuniaat Qaqqarsua

Nuniaat Qaqqarsua is a mountain of Greenland. It is located in the Upernavik Archipelago....

at 1023 m (3,356.3 ft) in the west.