The highest point of Suðuroy is the mountain Gluggarnir (), but the most famous peak is definitely the mountain of Beinisvørð northwest of the village of Sumba. The Beinisvørð and its scenery have been praised by the local poet Poul F. Joensen (1898-1970), as well as other Faroese poets. Suðuroy is the island which has the most islets and skerries. Suðuroy and the islets and skerries near the island number 263, including the island itself. Suðuroy is also the only island of the 18 islands of the Faroes which has coalmines, one of which is still active. It is located in Hvalba, near the tunnel. Other coalmines were in Rangabotnur in Trongisvágur (on the south side of Trongisvágsfjørður), and in Fámjin. The bays of Øravík, Trongisvágur, Fámjin, Vágur and Hvalba (three beaches) may be used for the grind.