Russkaya Koshka is a spit

Spit (landform)

A spit or sandspit is a deposition landform found off coasts. At one end, spits connect to land, and extend into the sea. A spit is a type of bar or beach that develops where a re-entrant occurs, such as at cove's headlands, by the process of longshore drift...

 that divides the Anadyr Estuary from the Gulf of Anadyr

Gulf of Anadyr

The Gulf of Anadyr, or Anadyr Bay , is a large bay on the Bering Sea in far northeast Siberia.-Location:The bay is roughly rectangular and opens to the southeast. The corners are Cape Navarin , Anadyr Estuary, Kresta Bay and Cape Chukotsky on the Chukchi Peninsula...

. The name literally translates as "the 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...

n cat

Cat

The cat , also known as the domestic cat or housecat to distinguish it from other felids and felines, is a small, usually furry, domesticated, carnivorous mammal that is valued by humans for its companionship and for its ability to hunt vermin and household pests...

"; but in fact koshka is the dialectal word for "sand spit". The spit is 16 km long and up to 2 km wide. It has an average elevation of 3 to 4 meters. An unusually low lighthouse

Lighthouse

A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

stands at the end of the spit. The southern tip of the spit is Cape St. Basil (or St. Basilius) in old sources. The bay between the spit and the mainland is (or was) called Klinkowstroem Bay, an arm of the Anadyr Estuary.