Trevelin is a town in the western part of the Patagonian Argentine province of Chubut. The town lies on the eastern banks of the Rio Percy/Río Percey. It is located in the department of Futaleufú, 22 kilometres south of Esquel, and had 6,395 inhabitants at the time of the 2001 census [INDEC] and 7,908 inhabitants in the 2010 census [INDEC].