What is Shinano River?
{{Infobox river|name=Shinano River|source1_elevation={{convert|2475|m|abbr=on}}|depth_min=|depth_avg=|depth_max=|discharge1_location=[[Ojiya, Niigata|Ojiya]]|discharge1_min={{convert|91|m3/s|cuft/s|abbr=on}}|discharge1_avg={{convert|503|m3/s|cuft/s|abbr=on}}|discharge1_max={{convert|3776|m3/s|cuft/s|abbr=on}} <!---------------------- BASIN FEATURES -->|source1=[[Mount Kobushi]]|source1_location=[[Japanese Alps]], [[Nagano Prefecture]]|source1_coordinates={{coord|35.913|138.7194}}|mouth=[[Sea of Japan]]|width_avg=|mouth_location=[[Niigata Prefecture]]|mouth_coordinates=|mouth_elevation={{convert|0|m|abbr=on}}|progression=|river_system=|basin_size={{convert|11900|km2|abbr=on}}|tributaries_left=Urano River, Sai River (Nagano)|tributaries_right=Yu River (Nagano), Hoshina River, Ayu River, Yagisawa River, Matsu River, [[Uono River]]|custom_label=|custom_data=|width_max=|width_min=|name_native=信濃川|pushpin_map_size=|name_native_lang=ja|name_other=|name_etymology=<!---------------------- IMAGE & MAP -->|image=NiigataCityOpenData machinami004.jpg|image_size=280|image_caption=The Shinano River in Niigata just before it flows into the [[Sea of Japan]]|map={{Maplink|zoom=7|frame=yes|plain=yes|frame-align=right|frame-width=280|frame-height=500|frame-latitude=36.93|frame-longitude=138.88 |type=shape|stroke-color=#0000ff|stroke-width=1|id=Q734455 |type2=shape|stroke-color2=#0000ff|stroke-width2=1|id2=Q61041464 |type3=line|stroke-color3=#0000ff|stroke-width3=2|id3=Q61041464 }}|map_size=|map_caption=|pushpin_map=|pushpin_map_caption=<!---------------------- LOCATION -->|length={{convert|367|km|mi|abbr=on}}|subdivision_type1=Country|subdivision_name1=[[Japan]]|subdivision_type2=Prefectures|subdivision_name2=[[Nagano Prefecture|Nagano]], [[Niigata Prefecture|Niigata]]|subdivision_type3=|subdivision_name3=|subdivision_type4=|subdivision_name4=|subdivision_type5=Cities|subdivision_name5=[[Niigata, Niigata|Niigata]], [[Nagaoka, Niigata|Nagaoka]], [[Nagano (city)|Nagano]], [[Matsumoto, Nagano|Matsumoto]] <!---------------------- PHYSIC