{{Short description|River in Marche, Italy}} {{Infobox river | name = Aso | image = Fiume Aso.jpg | image_caption = | source1_location = [[Monti Sibillini]], near Foce | mouth = [[Adriatic Sea]] | mouth_location = [[Pedaso]] | mouth_coordinates = {{coord|43.1030|13.8422|display=it|region:IT_type:river}} | subdivision_type1 = Country | subdivision_name1 = [[Italy]] |length_km=63 | source1_elevation = {{convert|950|m|ft|abbr=on}} | mouth_elevation = {{convert|0|m|abbr=on}} | discharge1_avg = {{convert|2.6|m3/s|cuft/s|abbr=on}} |basin_size_km2=242 }}

The '''Aso''' ({{langx|la|Helvinus}})<ref>{{cite book |title=Barrington Atlas of the Greek and Roman World: Map-By-Map Directory |editor=Richard J.A. Talbert |volume=I |year=2000 |publisher=Princeton University Press |location=Princeton, NJ and Oxford, UK |isbn=0691049459 |page=609 }}</ref> is a {{convert|63|km|mi|adj=on}} river in the [[Marche]] region of [[Italy]]. For most of its course the river marks the boundary between the provinces of [[Province of Ascoli Piceno|Ascoli Piceno]] and [[province of Fermo|Fermo]] The river's source is in the [[Monti Sibillini]], near Foce in the [[Montemonaco|Comune of Montemonaco]], at an elevation of {{convert|950|m|ft}}. The Aso flows through the settlements of Tofe, San Giorgio all’Isola, Illice, Piane, [[Comunanza]], Montecchio, Madonna del Lago, Aso and Rubbianello before entering the [[Adriatic Sea]] at [[Pedaso]], where it delivers a mean discharge of {{convert|2.6|m3/s|cuft/s}}.

==See also== * [[Latin names of rivers]]

==References== {{Reflist}}

{{Authority control}}

[[Category:Rivers of the Province of Ascoli Piceno]] [[Category:Rivers of the Province of Fermo]] [[Category:Rivers of Italy]] [[Category:Adriatic Italian coast basins]]

{{Marche-geo-stub}} {{Italy-river-stub}}