De syv søstre (Norwegian) or The Seven Sisters (English) is a mountain range on the island of Alsten in Alstahaug Municipality in Nordland county, Norway.

[1] The mountain range consists of seven peaks on the southeastern half of the island.

The mountains are (listed from northeast to southwest):[2] The range is popular with hikers and offers scenic views over the surrounding area.

All the peaks can be ascended using marked paths, and on every summit there is a notebook where visitors can write their name.

[3] After visiting all peaks, hikers can contact the local tourist association which will issue a certificate as a testimonial of their achievement.