The Gremyachka River is a small river of Nizhny Novgorod Region; it also flows through two republics: Chuvashia and Mordovia. It is of tourist significance.
The mouth of the Gremyachka lies 16 km along the right bank of the Chugunka River.
The catchment area of the Gremyachka is 49.1 km².
Interesting facts
- The river is only 12 km long.