| 词条 | Ostola |
| 释义 |
| name = Ostola | source1_location = Monte Capoposto (Soprana) | source1_elevation = {{convert|600|m|abbr=on}} | image = Ostola a rolino (masserano).jpg | image_caption = The creek around Masserano | mouth_location = Cervo near Castelletto Cervo | subdivision_type1 = Country | subdivision_name1 = Italy | length = {{convert|25.5|km|abbr=on}}[1] | discharge1_avg = {{convert|1.3|m3/s|abbr=on}}[2] | basin_size = {{convert|65|km2|sqmi|abbr=on}}[3] | map = Ostola location map.jpg | map_caption = Location within Biella }} The Ostola is a 25 km long stream ({{lang|it|torrente}}) in the Piedmont region of north-western Italy. It's a left side tributary of the Cervo which flows through the Province of Biella. GeographyThe Ostola source is on the southern slopes of Monte Capoposto (750 m), in the eastern and hilly part of the Alpi Biellesi, from which it flows through the communes of Soprana, Mezzana Mortigliengo and Casapinta. In the territory of Masserano it receives the waters of Torrente Cigliaga and is blocked by a dam forming the artificial lake "delle Piane". Flowing southwards the Ostola receives from the left side its mayor tributary, the Bisingana. It then enters the Po plain and near Castelletto Cervo it flows into the river Cervo. References1. ^Web-site of the river Po watershed Authority (Autorità di bacino del fiume Po) 2. ^{{cite book|last=AA.VV.|title=Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini Idrografici|url=http://www.regione.piemonte.it/acqua/pianoditutela/allegati_tec/dwd/1/c/1_c-7.pdf|accessdate=2013-01-28|origyear=2004|publisher=Regione Piemonte|chapter=Elaborato I.c/7|cid=|deadurl=yes|archiveurl=https://web.archive.org/web/20120225054359/http://www.regione.piemonte.it/acqua/pianoditutela/allegati_tec/dwd/1/c/1_c-7.pdf|archivedate=2012-02-25|df=}} 3. ^{{cite book|last=AA.VV.|title=Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini Idrografici|url=http://www.regione.piemonte.it/acqua/pianoditutela/allegati_tec/dwd/1/a/1_a-5.pdf|accessdate=2013-01-28|origyear=2004|publisher=Regione Piemonte|chapter=Elaborato I.c/5|cid=|deadurl=yes|archiveurl=https://web.archive.org/web/20120225054248/http://www.regione.piemonte.it/acqua/pianoditutela/allegati_tec/dwd/1/a/1_a-5.pdf|archivedate=2012-02-25|df=}} See also
Other projects{{commonscat-inline}}{{coord|45|30|30|N|8|14|00|E|display=title|region:IT_type:river_source:CTR}} 3 : Rivers of the Province of Biella|Tributaries of the Cervo|Rivers of the Alps |
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