The peninsula is bordered to the south by Wahlenbergfjorden, to the west by Hinlopen Strait and Hinlopenrenna, to the north by Nordkappsundet, and to the east by Nordenskiöldbukta and Rijpfjorden.
The highest elevation is 630 metres (2,070 ft) on the glacier Vestfonna, which covers large parts of the land.
Principal fjords are Murchisonfjorden to the west; Lady Franklinfjorden and Brennevinsfjorden to the northwest; Lindhagenbukta, Sabinebukta, Carolusbukta and Planciusbukta to the north; and Bengtsenbukta to the northeast.
Main peninsulas are Gotiahalvøya and Storsteinhalvøya in the west, Botniahalvøya in the northwest, and Lapponiahalvøya with Kapp Rubin in the north.
The largest islands are Søre Russøya in Murchisonfjorden, Lågøya in Lady Franklinfjorden, Chermsideøya and Castrénøyane north of Lapponiahalvøya, and Scoresbyøya in Nordenskiöldbukta.