GR57 - Etapa 1: Canal de São Roque ➔ Esteiro de Salreu
GR57 E9 - Ria de Aveiro Long-distance path - Blue Route - Stage 1: Channel of São Roque (Aveiro) ➔ Salreu Creek (Estarreja)
Type: Long-Distance Trail (GR) Point-to-point
Distance: 22.2
Difficulty: Easy (level 2)
GPS Coordinates: 40°38'39.4"N 8°39'23.7"W