Upper Caves
Upper Caves | |||||
There is an intricate network of cave tunnels below, above and all around the Underrail metro system.
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Major location information | |||||
Music | Subterra | ||||
Located in | Around Lower Underrail | ||||
Areas | Upper Caves | ||||
Connections | Lower Underrail (multiple exits) GMS compound level 1 Lost Vault Hanging Rat bar Bunker (Upper Caves) Hephaestus Research | ||||
NPCs | Milton | ||||
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Upper Caves or Metro Caves are the caves directly connected to Lower Underrail, far above both Lower Caves and Deep Caverns.
Description
Some wall breaches in Lower Underrail lead to these adjoining caverns. They are inhabited mostly by various wildlife and largely devoid of human life, except the occasional bandit camp here and there. Ruins of old military facilities can be found even in these caverns, despite them not being directly connected to Lower Underrail's systems.
Enemies
All sorts of critters reside in these caverns, and few humans can be occasionally met.
- Critters
- Rathounds, Rathound Alphas, Pigs, Warthogs, Azuridae, Dogs, Burrower Spawn, Burrowers, Crawlers, Siphoners
- Lunatics
- Lunatic Gunners (lvl10), Lunatic Scanners
- Lurkers
- Lurker Smugglers
Quests
Map Gallery
Upper Caves Global Map
Part A
This part of Upper Caves is initially accessible for the most part. They area near the South Gate area. Some passages must be opened with TNT Charges.
Upper Caves A1
- The north exit leads to area Upper Caves A1
- The southeast stairs lead to Lower Underrail, area Lower Underrail A4
- Is inhabited by some Pigs and Warthogs
- Has several respawning Cave Ears
- Has a respawning Mindshroom
- The rubble in the NW corner contains a Trilobite Fossil oddity, 1XP
Upper Caves A2
- The west exit leads to area Upper Caves A3
- The north exit leads to area Upper Caves A4
- The south exit leads to area Upper Caves A1
- Is inhabited by a few Azuridae
- Has some respawning Lake Mushrooms
- The door to the boxes requires 35 Lockpicking
- The box behind the door contains an Encyclopedia Fragment oddity, 1 XP
- Can be fished in this area: Minihead, Demon Squid, Blue Eel
Upper Caves A3
- The east exit leads to area Upper Caves A2
- The north exit leads to area Upper Caves A8
- Is inhabited by several Rathounds and a Rathound Alpha in the building
- The box near the dead man inside requires 50 Hacking
- The shelves in the northeast room contains a Strange Comm Device oddity, 1 XP
Upper Caves A4
- The south exit leads to area Upper Caves A2
- The west exit leads to area Upper Caves A8
- The north exit leads to area Upper Caves A11
- The east exit leads to area Upper Caves A9
- has some roaming Cave Hoppers
- Has 1 respawning Lake Poppy
- Has 1 respawning Mindshroom
- Has 2 respawning Lake Mushrooms
- Cannot fish in this area
Upper Caves A5
- The south exit leads to area Upper Caves A4
- The west exit leads to area Upper Caves A6
- The north exit leads to area Upper Caves A5
- The east exit leads to area Upper Caves A10
Upper Caves A6
- The south exit leads to area Upper Caves A8
- The north exit leads to area Upper Caves A6x
- The west exit is blocked by destructible rocks, which lead to GMS Compound area GMS Compound - Cave
- Is inhabited by a Lurker Gunner and Lurker Cut-Throat
- Has 1 respawning Mindshroom
- Has some Red Dream Mushrooms, Mindshroom and Cave Ears
- Can be fished in this area: Slackjaw, Blue Eel, Yellow Puckerfish, Minihead
Upper Caves A6x
- The south exit leads to area Upper Caves A6
- The west exit leads to Upper Caves B2
- Is inhabited by several (6-7) stealthy Crawlers
- Has some Lake Mushrooms and Cave Ears
- Can be fished in this area: nothing
Upper Caves A7
- The northeast exit leads to Lower Underrail, area Lower Underrail B6
- The southeast exit is blocked by destructible rocks, which lead to area Upper Caves A8
- Is inhabited by Pigs and Warthog
- A barrel in the northwest part contains a Scrapture oddity, 1 XP
Upper Caves A8
- The west exit leads to Upper Caves A7
- The north exit leads to Upper Caves A6
- The east exit leads to Upper Caves A4
- The south exit leads to Upper Caves A3
- Is inhabited by Pigs and Warthog
Upper Caves A10
- The north exit leads to Upper Caves A11
- The south exit leads to Upper Caves A9
- The east exits lead to Upper Caves A4
- has some roaming Cave Hoppers
- Has 1 respawning Mindshroom
- Has 1 respawning Lake Mushroom
- There's a bridge crossing the river north-south that can be spotted with enough Perception
- A hole in the SE corner is protected with a Crawler Poison Bear Trap. It contains a crossbow and some ammo
- Cannot fish in this area
Upper Caves A11
- The southwest exit leads to Upper Caves A5
- The southeast exit leads to Upper Caves A10
- The north exit leads to Upper Caves B4
- Milton is in the NE caves and offers the quest Milton's Key
- The footlocker requires 55 Lockpicking and contains a Laser Pistol and some batteries
- The north exit is separated from the rest of the area by some Destructible rocks
Upper Caves A1, connects to south Lower Underrail
Upper Caves A6, connects to GMS compound
Upper Caves A6x, connects to Hephaestus Research
Upper Caves A7, connects to northwest Lower Underrail
Upper Caves A11, Milton's camp
Upper Caves A12, connects to east Lower Underrail
Part B
This part of Upper Caves becomes accessible once the player has TNT Charges or Jackhammer. If entering from Lower Underrail, they are located north of Rail Crossing train station. If entering through other Upper Caves, they are north of Milton's camp.
Upper Caves B3 (north of Hephaestus Research)
Upper Caves B8 (west of Lost Vault)
Upper Caves B12, Bunker entrance
Part C
This part of Upper Caves is further north, approximately underneath Foundry's northern side and east of Core City.
Upper Caves C6, lunatics and climbable route up (leads to outside of Hecate Research Outpost)
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