Virvasselva or Virvassåga (Lule Sami: Viresjåhkå) is a river in the municipality of Rana in Nordland county, Norway. The river flows out of the eastern part of the lake Virvatnet. The stream Boneselva meets Virvasselva about 1 kilometre (0.62 mi) east of the lake Virvatnet. This is a large, continuous, very rich and untouched wetland area with tarns, rivers, marshes, and very tight vegetation.