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434:"Fields of such beauty are impossible to find elsewhere; every lump of earth has been tilled to perfection, prepared for sowing. Wheat grows lushly on this soil, where it seems to find all the necessary conditions to thrive. Every other year they plant horsebean, because oat does not flourish here. They also plant lupines, now already green, which will ripen by the month of March. Flax too, is already sown; buried into the ground throughout the winter, it is toughened by the freezing cold."
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area the highest in the Val di Chiana with 250 mt s.l.v., with almost "zero" slope of the waters and with very high hydraulic and hydrogeological risks. From a geological point of view, the tectonic Chiana basin or "mother rock" is an inclined plane that starts from Chiani West of
263:, and vice versa, navigable rivers being the "highways" and the main roads communication in the archaic age. The geological maps show that the alluvial residues, abundantly present in the valley floor, today completely filled and flat, date back to the late
65:, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Knowledge.
359:, which receives the waters of the Val di Tresa, while the main watercourse of the Roman Val di Chiana is the Chiani (in its stretch initial called Chianetta canal, then Chiani torrent, then Chiani river).
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The actual Val di Chiana is about 104 kilometres (65 mi) long, and covers about 2,300 square kilometres (890 sq mi) valley floor. It runs north to south between the plain of
243:) following a landslide which caused the natural continuation of its body of water in that direction. The Etruscans probably filed a granite bottleneck along the course of the Arno, near
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Monastery of Ss. Flora and
Lucilla, which hindered the outflow of water with a 12 meters high dam, placed in the 19 meters deep channel. There is a map drawn by
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it was almost entirely submerged by the great
Pliocene sea. Once it had withdrawn, in the upper Villafranchiano (about two million years ago) central
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ordered its extension, so as to drain ever greater quantities of water, drainage which however was hindered by the milling industry of the powerful
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Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
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The landscape is mostly hilly, with a plain around the Canale
Maestro della Chiana. Its mean elevation is around 405 metres (1,329 ft).
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Valdichiana is near traditional local products such as wines, local wheat variety, olive oil, truffle, fruit, cattle breed and others.
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The valley, of tectonic origin with extension on the western side and compression on the eastern one, was mainly formed during the
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river (110 km). After the flooding of the Clanis Valley caused by a gigantic dam in 1052-1055, built on the orders of the
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hosted large lakes, including that of the Chiana basin which was short-lived as it was drained (at the beginning of the
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Content in this edit is translated from the existing
Italian Knowledge article at ]; see its history for attribution.
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to the middle of the 11th century the Clanis river was suitable for boats from Arezzo to the connection with the
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Aglione della
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Morphological formation of the Clanis (Chiana) Valley
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131:The temple was built by Grand Duchy of Tuscany
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292:(highest point) and reaches the
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325:Raccordo autostradale RA6
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485:Val di Chiana 1789 map
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45:(June 2016)
606:Categories
259:) and the
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362:From the
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308:Geography
302:Trasimeno
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