Largest cities
Lima 10,004,000 pop., 10,556,000 urban aggl.
Highest mountains
Huascarán 6,768 m (22,205 ft)
Yerupajá 6,632 m (21,759 ft)
Coropuna 6,425 m (21,079 ft)
Longest rivers
Amazon 6,437 km (4,000 mi) total, 713 km (443 mi) in Perú
Purus 3,210 km (1,979 mi) total, only first small section is in Perú
Juruá 2,400 km (1,491 mi) total, first short part in Perú
Putumayo 1,610 km (1,000 mi) total, 1,380 km (857 mi) in Perú
Marañón 1,414 km (879 mi)
Yavarí 1,184 km (736 mi) total, the initial and central parts mark the border with Brazil, where it then flows at the end of its course
Huallaga 1,138 km (707 mi)
Largest lakes
Titicaca 8,372 km² (3,232 sq mi) total, 5,038 km² (3,130 sq mi) in Perú
Lake Junin 530 km² (205 sq mi), medium surface area
Largest islands
San Lorenzo 16.5 km² (6.4 sq mi)
Lobos de Tierra 16 km² (6.2 sq mi)