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For the record label, see Oglio Records.
Course of the river Oglio
Origin Corno dei Tre Signori, Prealpi Orobiche, Lombardy
Mouth Po, near Torredoglio, province of Mantua
Basin countries Italy
Length 280 km (170 mi)
Source elevation about 2,600 m (8,500 ft)
Avg. discharge 130 m3/s (4,600 cu ft/s)
Basin area 6,649 km2 (2,567 sq mi)

The Oglio (Italian: [ˈɔʎʎo]; Latin Ollius, or Olius; Lombard Òi) is a left-side tributary of the Po River in Lombardy, Italy. It is 280 kilometres (170 mi) long.


The Oglio is formed from the confluence of two mountain streams, the Narcanello from the Presena Glacier, and the Frigidolfo, from Lake Ercavallo, in the Stelvio National Park. These two streams are born at the points of the Corno dei Tre Signori, at an elevation of about 2,600 metres (8,500 ft). The streams merge near Pezzo di Ponte di Legno.

It flows in a southwest direction, through Valcamonica and then Lake Iseo. It joins the Po after traveling a zone of moraine deposits, at Torredoglio, not far from Cesole and Scorzarolo, in the province of Mantua. Its drainage basin, which corresponds to the region of Valle Camonica, covers 6,649 square kilometres (2,567 sq mi). It is part of the larger Po-Adige basin.

External links[edit]

Media related to Oglio at Wikimedia Commons

Coordinates: 45°02′40″N 10°39′37″E / 45.04444°N 10.66028°E / 45.04444; 10.66028