Avacha Bay is a Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 bay on the southeastern coast of Kamchatka Peninsula

Kamchatka Peninsula

The Kamchatka Peninsula is a peninsula in the Russian Far East, with an area of . It lies between the Pacific Ocean to the east and the Sea of Okhotsk to the west...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It is 24 km (15 mi) long and 3 km (2 mi) wide (at the mouth), with a maximum depth of 26 m.

The Avacha River

Avacha River

Avacha is a river in the southwestern part of the Kamchatka Peninsula, Russia. It flows southeast into Avacha Bay. The river has a length of 122 km and a watershed of 5,090 square km...

 flows into the bay. The port city of Petropavlovsk-Kamchatsky

Petropavlovsk-Kamchatsky

Petropavlovsk-Kamchatsky is the main city and the administrative, industrial, scientific, and cultural center of Kamchatka Krai, Russia. Population: .-History:It was founded by Danish navigator Vitus Bering, in the service of the Russian Navy...

 and the closed town of Vilyuchinsk

Vilyuchinsk

Vilyuchinsk is a closed town in Kamchatka Krai, Russia, located on the Kamchatka Peninsula about across Avacha Bay from Petropavlovsk-Kamchatsky. Population: -History:...

 lie on the coast of the bay. The Avacha Bay is large enough to fit any ship in the world. The bay freezes in the winter.

Avacha Bay was surveyed and mapped by Captain Mikhail Tebenkov

Mikhail Tebenkov

Mikhail Dmitriyevich Tebenkov, spelt Tebenkof in the United States , was a Russian hydrographer and vice admiral of the Imperial Russian Navy...

 of the Imperial Russian Navy

Imperial Russian Navy

The Imperial Russian Navy refers to the Tsarist fleets prior to the February Revolution.-First Romanovs:Under Tsar Mikhail Feodorovich, construction of the first three-masted ship, actually built within Russia, was completed in 1636. It was built in Balakhna by Danish shipbuilders from Holstein...

in the 1830s.