Limentra is the name of two streams of the Bolognese

Bologna

Bologna is the capital city of Emilia-Romagna, in the Po Valley of Northern Italy. The city lies between the Po River and the Apennine Mountains, more specifically, between the Reno River and the Savena River. Bologna is a lively and cosmopolitan Italian college city, with spectacular history,...

 and Pistoiese

Pistoia

Pistoia is a city and comune in the Tuscany region of Italy, the capital of a province of the same name, located about 30 km west and north of Florence and is crossed by the Ombrone Pistoiese, a tributary of the River Arno.-History:...

 Apennines, both among the major tributaries of the Reno River

Reno River

The Reno is a river of Emilia-Romagna, northern Italy. It is the tenth longest river in Italy and the most important of the region apart from the Po...

. Due to their relatively large discharge

Discharge (hydrology)

In hydrology, discharge is the volume rate of water flow, including any suspended solids , dissolved chemical species and/or biologic material , which is transported through a given cross-sectional area...

, they are both exploited for the production of hydro-electric power.

The Limentra di Sambuca (also Superior or Western Limentra) rises from Monte la Croce (c. 1,319 m) and passes through Sambuca Pistoiese

Sambuca Pistoiese

Sambuca Pistoiese is a town and comune of the province of Pistoia in the Italian region of Tuscany.The comune is in fact constituted by several different villages , the most important of which are Pàvana and Treppio , along the valley of the two Limentras rivers.The nearest railways station is...

. It has a length of 19.4 km and flows into the Reno near Ponte della Venturina, near the border between Tuscany

Tuscany

Tuscany is a region in Italy. It has an area of about 23,000 square kilometres and a population of about 3.75 million inhabitants. The regional capital is Florence ....

 and Emilia-Romagna

Emilia-Romagna

Emilia–Romagna is an administrative region of Northern Italy comprising the two historic regions of Emilia and Romagna. The capital is Bologna; it has an area of and about 4.4 million inhabitants....

. Near Pàvana is a dam with a capacity of 900,000 m³. The waters are also used for the aqueduct

Aqueduct

An aqueduct is a water supply or navigable channel constructed to convey water. In modern engineering, the term is used for any system of pipes, ditches, canals, tunnels, and other structures used for this purpose....

 serving Pistoia

Pistoia

Pistoia is a city and comune in the Tuscany region of Italy, the capital of a province of the same name, located about 30 km west and north of Florence and is crossed by the Ombrone Pistoiese, a tributary of the River Arno.-History:...

.

The Eastern Limentra rises from the same mountain, entering the province of Bologna

Province of Bologna

The Province of Bologna is a province in the Emilia-Romagna region of Italy. Its capital is the city of Bologna.-Geography:It has an area of 3,702 km², and a total population of 991,647 . There are 60 comuni in the province, see Comuni of the Province of Bologna...

 near Lentula. Near Suviana a dam has been built on its course creating one of the largest reservoir

Reservoir

A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

s of the Apennines, with a capacity of c. 43,850,000 m³. It flows into the Reno after 41 km, near Riola di Vergato

Vergato

Vergato is a comune in the Province of Bologna in the Italian region Emilia-Romagna, located about 40 km southwest of Bologna....

.