The Island peak, also known as Imja Tse (6189m/ 20305ft) was first climbed in 1953 in preparation for the ascent on Everest. This is a very popular peak. Apart from being an enjoyable climb, it has some of the most spectacular scenery of the Khumbu region. Island peak is said to resemble an "Island in a sea of ice" and is actually an extension of the south ridge of Lhotse Shar. The mainland forms a semi-circle of cliffs that rise in the north to the rugged summits of Nuptse. Lhotse, Lhotse middle peak and Lhotse Shar. To the east lies Cho Polu and beyond this, the red granite Makalu.

To the south lies the Baruntse, Amphu and the lofty Amadablam. The Amadablam looks like a giant sea-stack guarding the entrance to the glacial bay Where Island peak stands. Island peak's first route of ascent was the south-east flank and south-west ridge. The usual base camp site is between Imja Tse and moraine of Imja glacier. In the event of heavy snowfall, this area has proved to be prone to avalanche danger. The west face also offers good route. Most people seem to Climb Island peak without bottled air, which for the Sherpas could even be "just cigarettes!"