Which African country's name comes from Portuguese for 'Lion Mountains'?

The African country whose name comes from Portuguese for “Lion Mountains” is Sierra Leone. The name refers to the dramatic mountain range on the Freetown Peninsula along the West African coast.

Portuguese explorers encountered the area during the 15th century. The traditional account credits Pedro de Sintra with naming the mountains around 1462, using the form Serra Leoa, commonly translated as “Lioness Mountains” or “Lion Mountains.” Later mapmakers used related spellings, including the Venetian form Sierra Leone, which eventually became the country's English name.

The exact reason for the lion imagery is less certain. Some explanations say the coastal peaks resembled a lion or its teeth; others connect the name with thunder rolling around the mountains and sounding like a roar. Historians have also questioned whether Pedro de Sintra was definitely the original namer, since similar forms may have appeared in earlier records.

The Lion Mountains lie near Freetown, Sierra Leone's capital, and form part of the peninsula's distinctive landscape. The country should not be confused with neighboring Guinea or Liberia: those names have different origins, while Sierra Leone preserves a Portuguese-era geographic description.