{{Use dmy dates|date=December 2018}} {{Use Indian English|date=December 2018}} {{Infobox river | name = Tyao River | native_name = | native_name_lang = | name_other = Tiau River | name_etymology = <!---------------------- IMAGE & MAP --> | image = Indo-Burmese Border.jpg | image_size = | image_caption = Bridge over the Tyao river between Rikhawdar and Zokhawthar | map = | map_size = | map_caption = | pushpin_map = | pushpin_map_size = | pushpin_map_caption = <!---------------------- LOCATION --> | subdivision_type1 = Country | subdivision_name1 = India, Myanmar | subdivision_type2 = State | subdivision_name2 = Mizoram, Chin State | subdivision_type3 = District | subdivision_name3 = Champhai, Falam | subdivision_type4 = | subdivision_name4 = | subdivision_type5 = | subdivision_name5 = <!---------------------- PHYSICAL CHARACTERISTICS --> | length_km = 159 | width_min = | width_avg = | width_max = | depth_min = | depth_avg = | depth_max = | discharge1_location = | discharge1_min = | discharge1_avg = | discharge1_max = <!---------------------- BASIN FEATURES --> | source1 = | source1_location = Khuangphah | source1_coordinates = {{coord|23.7125|93.4066|display=inline}} | source1_elevation = | mouth = | mouth_location = Kaladan River | mouth_coordinates = {{Coord|22.7861|93.0957|display=inline,title}} | mouth_elevation = | progression = | river_system = | basin_size = | tributaries_left = | tributaries_right = | custom_label = | custom_data = | extra = }} '''Tyao River'''<ref> {{citation |editor=Dhruv Sen Singh |title=The Indian Rivers: Scientific and Socio-economic Aspects |url=https://books.google.com/books?id=ridFDwAAQBAJ&pg=PA436 |publisher=Springer |year=2017 |isbn=978-981-10-2984-4 |page=436}} </ref> (or '''Tiau River''',<ref name="RP_2009"/> '''Tio River''') is a {{convert|159|km|abbr=on}} long river that flows between the Mizoram state in India and the Chin State in Myanmar, forming part of the international boundary between the two countries.<ref name="RP_2009">{{cite book |author=Rintluanga Pachuau |title=Mizoram: A Study in Comprehensive Geography |url=https://books.google.com/books?id=MYaYKXgAwLwC&pg=PA39 |date=1 January 2009 |publisher=Northern Book Centre |isbn=978-81-7211-264-6 |page=39 }}</ref>

It rises near Khuangphah village of Champhai district in Mizoram, India. It ultimately merges with the Kaladan River (Chhimtuipui river).<ref name="RP_2009"/>

The twin towns of Zokhawthar in Mizoram and Rikhawdar in Chin State are on the opposing banks of the river. There is an official border crossing between the two towns, connected by a bridge that crosses the river.<ref>{{Cite web |last=Sharma |first=Yashraj |date=2024-04-11 |title=‘We’re a single village’: India seals Myanmar border, dividing families |url=https://www.aljazeera.com/features/2024/4/11/were-a-single-village-india-seals-myanmar-border-dividing-families |access-date= |website=Al Jazeera |language=en}}</ref>

== References == {{reflist}}

== External links == * [https://www.openstreetmap.org/relation/2732727#map=10/23.2388/93.4600 Tyao River basin], OpenStreetMap, 7 November 2023.

{{Hydrography of Mizoram}}

Category:Rivers of Manipur Category:Rivers of Myanmar Category:Rivers of Mizoram