FIELD RECORD // NEXT
GAME // subnauticaENTITY // Lost RiverVERIFIED

NEXT // PDA CASE FILE

What to Do After Reaching the Lost River

Reached the Lost River but lost the thread? Use it as the central junction for nickel, alien facilities, and the deepest story route.

LAST CHECK

ANSWER LOCK // QUICK RESPONSE

Map a safe entrance, collect nickel, locate the alien research trail, and prepare a vehicle route into the lava zones.

SIGNAL CONFIRMED

PROGRESSION STATUS

CURRENT STATELost River reached
NEXT OBJECTIVECollect nickel and locate the alien research trail
PROGRESSION GATEVehicle depth upgrade and a return-power plan
LATER DESTINATIONInactive Lava Zone

BRING THIS

  • Vehicle with suitable depth module
  • Prawn Suit or a safe scouting setup
  • Repair Tool
  • Power backup

DATA ACCESS LEVEL

Reveal only as much as you need

01 // HINTHintLOW SPOILER
ACCESS LOCKED // OPEN TO REVEALThe green river is a crossroads, not a dead end.
02 // DIRECTIONDirectionROUTE GUIDANCE
ACCESS LOCKED // OPEN TO REVEAL

Use the Lost River to upgrade depth, then find the descent toward the Inactive Lava Zone.

03 // EXACT ANSWERExact answerFULL SPOILER
ACCESS LOCKED // OPEN TO REVEAL

Collect nickel, visit the alien facilities you can reach, and continue deeper toward the lava biomes for kyanite and the next story steps.

COMMON REASONS YOU ARE STUCK

  • Exploring without marking the entrance
  • Assuming the Lost River is the final biome
  • Leaving before collecting nickel

VISUAL GUIDE

How to Get to the Lost River

Minty

A route overview for the main Lost River entrances, useful when the next step is finding a safe descent.

Open source video ↗

EVIDENCE LOG

Verification record

Facts on this page are separated from player speculation. Version-sensitive answers should be rechecked after an official update.

LAST CHECK2026-08-29