The Tiber Valley (

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...

: ''Valle del Tevere'') is the largest geographical part of the of the

Tiber The Tiber ( ; it, Tevere ; la, Tiberis) is the third-longest river in Italy and the longest in Central Italy, rising in the Apennine Mountains in Emilia-Romagna and flowing through Tuscany, Umbria, and Lazio, where it is joined by the Ri ...

river included in the

Emilia-Romagna egl, Emigliàn (man) egl, Emiglièna (woman) rgn, Rumagnòl (man) rgn, Rumagnòla (woman) it, Emiliano (man) it, Emiliana (woman) or it, Romagnolo (man) it, Romagnola (woman) , population_note = , population_blank1_title ...

Tuscany it, Toscano (man) it, Toscana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Citizenship , demographics1_footnotes = , demographics1_title1 = Italian , demogra ...

Umbria it, Umbro (man) it, Umbra (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , ...

, and the

Lazio it, Laziale , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...

regions; it is characterized by river terraces and floodplain areas that extend from the Apennine belt up to the delta of the Tiber river in the of the

Tyrrhenian Sea The Tyrrhenian Sea (; it, Mar Tirreno , french: Mer Tyrrhénienne , sc, Mare Tirrenu, co, Mari Tirrenu, scn, Mari Tirrenu, nap, Mare Tirreno) is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenian pe ...

Geology

The Tiber basin is made up of four main morpho-structural environments: * the upper Tiber basin, composed mainly of

terrigenous sediment In oceanography, terrigenous sediments are those derived from the erosion of rocks on land; that is, they are derived from ''terrestrial'' (as opposed to marine) environments. Consisting of sand, mud, and silt carried to sea by rivers, their ...

flysch Flysch () is a sequence of sedimentary rock layers that progress from deep-water and turbidity flow deposits to shallow-water shales and sandstones. It is deposited when a deep basin forms rapidly on the continental side of a mountain building epi ...

facies of Tuscan origin (on the right bank north of

Lake Trasimeno Lake Trasimeno ( , also ; it, Lago Trasimeno ; la, Trasumennus; ett, Tarśmina), also referred to as Trasimene ( ) or Thrasimene in English, is a lake in the province of Perugia, in the Umbria region of Italy on the border with Tuscany. Th ...

) and Umbria-Marche (on the left bank) * the Apennine carbonate ridge, which occupies the eastern and southern sector, made up of carbonate reliefs; * the Tiber graben with its marine to continental facies deposits, the intermountain basins; * the volcanic systems of the Volsini Mountains, Cimini,

Sabatini Sabatini may refer to: People * Sabatini (surname) Places * Sabatini Gardens in Madrid, Spain * Sabatini, Italy, a volcanic region in Italy See also * Sabbatini, a family name of Italian origin * Sabadini Sabadini is an Italian surname. No ...

and Alban Hills, which occupy the southwestern sector. ;

Graben In geology, a graben () is a depressed block of the crust of a planet or moon, bordered by parallel normal faults. Etymology ''Graben'' is a loan word from German, meaning 'ditch' or 'trench'. The word was first used in the geologic contex ...

: * Paleotevere Graben * Paglia-Tevere Graben * Tiber Graben (

Chiana Valley The Val di Chiana, Valdichiana, or Chiana Valley is an alluvial valley of central Italy, lying on the territories of the provinces of Arezzo and Siena in Tuscany and the provinces of Perugia and Terni in Umbria. Geography The Val di Chia ...

)

Territory and environment

Protected natural areas

* Tiber River Park - Umbria Region * Interregional Tiber River Park * Delta of the Tiber -

Litorale Romano State Nature Reserve The Litorale Romano state nature reserve is a protected area in Lazio (Italy), established by the Ministry of the Environment (Italy), Ministry of the Environment with Ministerial Decree of March 29, 1996, which includes a large territory of his ...

Gallery

File:Sorgente-tevere-fumaiolo.jpg, ''Sources of the Tiber - Monte Fumaiolo'' File:Panoramica Lago di Montedoglio.jpg, ''

Lake of Montedoglio Lake Montedoglio is an artificial lake in the Province of Arezzo, Tuscany, Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterra ...

'' File:Citerna panoramik.jpg, ''Alta valle del Tevere'' File:Lago di Corbara 1.JPG, ''Lake of Corbara'' File:Dunarobba.jpg, ''Fossil forest of Dunarobba'' File:Lago di Alviano2.JPG, ''Lake of Alviano'' File:Capu L'Aia.JPG, ''Capu l'Aia'' File:Panorama Riserva Nazzano Tevere-Farfa.jpg, ''Lake of Nazzano'' File:Gaspar van Wittel - View of Tor di Nona (1690s).jpg, ''Boat towed with

Burlak A burlak ( rus, бурла́к, p=bʊrˈlak) was a towpath puller in Russian Empire. Overview The exact origin of the word is unknown. Different versions include old middle-German ''bûrlach'' (working team with fixed rules, artel), or Tatar ...

by arms from Pilorciatori'' File:Localizzazione siti paleolitici Aniene.jpg, ''Paleolithic sites Tiber Valley -

Aniene The Aniene (; la, Aniō), formerly known as the Teverone, is a river in Lazio, Italy. It originates in the Apennines at Trevi nel Lazio and flows westward past Subiaco, Vicovaro, and Tivoli to join the Tiber in northern Rome. It formed the ...

'' File:Fiumicino 04 (RaBoe).jpg, ''Delta of Tiber - between Fiumicino and Ostia'' File:ISS053-E-110772 - View of Earth.jpg, ''The Tiber Valley from Space''

Notes

External links

* Tiber Valleys of Emilia-Romagna Valleys of Lazio Valleys of Tuscany Valleys of Umbria {{Italy-geo-stub