Lunsar is a town in Marampa Chiefdom, Port Loko District in the Northern Province of Sierra Leone.

The ore, for the most part, is set in stone which forms a huge mountain, called Massaboin Hill.

The word stone in the local Temne language is "Sar," and thus befits the area where the iron ore was found.

[3] The team has run the Tour de Lunsar, the country's largest cycle race, annually since 2016.

[4][5] In 2019, two riders from the town, Osman T. Kalokoh and Ibrahim Jalloh, represented Sierra Leone on the national cycling team at the Tour de Guinée [fr].