Lost River

Huge, frigid cave biome deep under the surface, split into sub-areas: Bone Fields, Corridor, Ghost Canyon, Ghost Forest, Tree Cove, Junction and Mountains Corridor. It is reached from the Northern Blood Kelp Zone, Deep Grand Reef, Blood Kelp Trench and the Mountains/Bulb Zone border, and holds the Disease Research Facility and Laboratory Cache.

Depth
525–1065 m
markers
17
Layers
Deep
View on the map
Lost River Subnautica Interactive Map

Creatures

Resources

Dangers

  • acidic green brine pools
  • three juvenile ghost leviathans
  • river prowlers
  • crabsquids
  • cold water (thermal reactor weak)

Points of interest

Alien structures 4

NameCoordinatesDepth
Disease Research Facility -252 -814 316 814 m
Lost River Laboratory Cache -1111 -685 -655 685 m
Ghost Forest Alien Arch Cache -931 -611 991 611 m
Ghost Forest Auxiliary Arch (to PCF) -886 -612 1040 612 m

Leviathans 3

NameCoordinatesDepth
Ghost Leviathan (juvenile) - Bone Fields -776 -684 -256 684 m
Ghost Leviathan (juvenile) - Ghost Forest -884 -590 866 590 m
Ghost Leviathan (juvenile) - Mountains Corridor 250 -833 742 833 m

Thermal vents 3

NameCoordinatesDepth
Thermal Vents - Lost River (Junction area) -645 -840 355 840 m
Thermal Vents - Lost River (Bone Fields area) -920 -750 -40 750 m
Thermal Vents - Lost River (Mountains Corridor) 640 -680 1020 680 m

Neighbouring biomes