{{Infobox river | name = Lasosna | name_other = Łosośna | image = | image_caption = | image_size = | source1_location = | source1_coordinates= | mouth_location = Neman | mouth_coordinates = {{coord|53.6777|23.7781|region:BY|display=it}} | progression = {{RNeman}} | subdivision_type1 = Country | subdivision_name1 = Poland, Belarus | length = | source1_elevation = | discharge1_avg = | basin_size = }} The '''Lasosna, Lasasyanka''' ({{langx|be|Ласосна, Ласасянка}}), {{langx|pl|'''Łosośna'''}}<ref>Agata Lewandowski, Łosośna - the Unknown Valley. Not the Last Arrival for…Puciłki, „Znad Wilii”, nr 3(79) z 2019 r., p. 58-64, (in Polish).http://www.znadwiliiwilno.lt/wp-content/uploads/2019/10/Znad-Wilii-3-79m-1.pdf</ref><ref>Helena i Leonard Drożdżewiczowie, Antologia Doliny Łosośny, (in Polish)http://193.0.118.54/search/query?term_1=Antologia+Doliny+%C5%81oso%C5%9Bny&theme=nukat{{Dead link|date=August 2025 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> is a river in Poland (Sokółka County) and Belarus (Hrodna and Hrodna district). Of the river's 46 km length, 24 km is in Poland and the rest in Belarus. It is a left-bank tributary of the Neman.
==References== {{Reflist}}
{{DEFAULTSORT:Lasosna}} Category:Grodno Category:Sokółka County Category:Rivers of Grodno region Category:Rivers of Poland Category:Rivers of Podlaskie Voivodeship Category:Rivers of Belarus
{{Belarus-river-stub}} {{Sokółka-geo-stub}} {{Poland-river-stub}}