The Bezdna () or Pasna () is a river in

Chuvashia Chuvashia, officially known as Chuvash Republic — Chuvashia, is a republics of Russia, republic of Russia located in Eastern Europe. It is the homeland of the Chuvash people, a Turkic languages, Turkic ethnic group. Its capital city, capital i ...

Russian Federation Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

, a right-bank

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the

Sura A ''surah'' (; ; ) is an Arabic word meaning 'chapter' in the Quran. There are 114 ''suwar'' in the Quran, each divided into verses (). The ''suwar'' are of unequal length; the shortest ''surah'' ( al-Kawthar) has only three verses, while the ...

. It is long, and has a

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

of .«Река Бездна (Белая)»
Russian State Water Registry Major tributaries are Abamza, Orbezdna, Black Bezdna. The maximal mineralization 500–700 mg/L. Average sediment in mouth per year is 71 mm. Drainage is regulated. In the upper stream use to dry.

References

{{reflist Rivers of Chuvashia