Lemme
| Lemme | |
|---|---|
 The stream near Voltaggio | |
 Location within the SE Piedmont | |
| Origin | Monte Calvo |
| Mouth | The Orba at Predosa |
| Basin countries | Italy (Piedmont, Province of Alessandria) |
| Length | 34.3 km[1] |
| Source elevation | 750 m |
| Avg. discharge | (mouth) 3.1 m3/s[2] |
| Basin area | 180.5 [2] |
The Lemme is a 35 km torrent, a right tributary of the Orba, which flows through the Province of Alessandria in northern Italy.
Geography
Its source is near Monte Calvo; from there it passes through the communes of Fraconalto, Voltaggio, Carrosio, Gavi, San Cristoforo, Francavilla Bisio, Basaluzzo and finally Predosa where it enters the Orba.
Main tributaries
left hand tributaries
- rio delle Acque Striate;
- rio Morsone: it starts near Monte Tobbio and meets the Lemme in Voltaggio;
- rio Ardana: its upper valley includes Bosio, from which flows northwards meeting the Lemme in Gavi;
- rio Riolo: from San Cristoforo it runs not faraway from the Lemme meeting it near its confluence with the Orba.[3]
right hand tributaries
- rio Carbonasca: from Fraconalto goes till Voltaggio where it meets the Lemme;
- torrente Neirone:
- torrente Riasco: it collects the waters flowing in the area of Pasturana and Tassarolo and meets the Lemme near Francavilla Bisio.[3]
Floods
The Lemme is characterised by an extremely variable discharge; very little water flows during the summer months, but it can also give rise to significant floods, such as those of 1978.
References
- ↑ AA.VV. (2004). "Elaborato I.c/5". Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini Idrografici. Regione Piemonte. Retrieved 2013-05-30.
- ↑ 2.0 2.1 AA.VV. (2004). "Elaborato I.c/7". Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini Idrografici. Regione Piemonte. Retrieved 2013-05-30.
- ↑ 3.0 3.1 Carta Tecnica Regionale raster 1:10.000 (vers.3.0); pubblisher:Regione Piemonte - 2007
Coordinates: 44°45′53″N 8°40′22″E / 44.7648°N 8.6729°E