Trevélez is a village in the province of Granada, Spain. Its population in 2011 was estimated at 823. The river Trevélez flows through the villa…Trevélez is a village in the province of Granada, Spain. Its population in 2011 was estimated at 823. The river Trevélez flows through the village. They are located in the western part of the Alpujarras region. Two of the highest mountains in Spain, Mulhacén and Alcazaba, are just to the north of the village, a few hours' walk away.