San Martin Department

Map of San Martin Department

075 km (47 mi)150 km (93 mi)225 km (140 mi)300 km (186 mi)

Height

126 m (413 ft), 300 m (984 ft), 600 m (1970 ft), 1000 m (3280 ft), 1500 m (4920 ft), 2500 m (8200 ft), 3000 m (9840 ft), 4000 m (13120 ft), Max altitude 4628 m (15180 ft)

Permanent snow and iceWinter snow (approximate)

Height from west to east in San Martin Department

Height from south to north in San Martin Department

1Huallaga134 to 616 m2Laguna Sauce606 m3Abiseo River326 to 2 436 m

Natural Earth · GEBCO 2026 Grid · Lakes: HydroLAKES (Messager et al. 2016, CC BY 4.0) · This product incorporates data from the GDW database © Global Dam Watch (2024) · Names: GeoNames (CC BY)

Basic Information

Capital City: Moyobamba

Population: 958,305 (Wikidata, 2026)

Area: 51,288 km² / 19,802 sq mi

Subdivisions: 10

Geography

Highest Elevation Point: Cerros Alto Totora (4 628 m)

Lowest point: 126 m

Borders

Loreto Department — Northeast
Amazonas Department — Northwest
La Libertad Department — Southwest
Huanuco Department — South