The Alien Thermal Plant is the smallest of the four main Alien Bases. It can be found in the Inactive Lava Zone, within the Lava Castle. It was built around one thousand years ago. The …

Location Alien Thermal Plant in the Inactive Lava Zones | Subnautica Let’s get in touch:...more

Summary: The Alien Thermal Plant is the smallest of the four main Alien Bases. It can be found in the Inactive Lava Zone, within the Lava Castle. It was built around one thousand years ago.

Sep 8, 2025 · We may use the information we collect to help us provide, improve, and promote the Games and Sites. These purposes include: Security, moderation, anti-cheat, and anti …

Apr 16, 2018 · It sounds like you've gone below the location of the Lava Castle, which is what I think you're looking for (to get the key you need). The entrance (I think there are actually two), …

The thermal plant is inside a structure referred to as the "lava castle." The inactive lava zone is located at the end of the lost river past the giant cove tree. As you go through this eventually …

Apr 2, 2023 · If you edge right along that rise, you should see the green glow of an alien passageway. follow the passage through the lava tubes and you'll be at the thermal plant.

To get into the Alien Thermal Plant, you'll need to dive deep into the Inactive Lava Zone! Make sure your Cyclops and Prawn Suit are maxed out, then find the entrance around -1200 meters.

Starting from the Giant Cove Tree in the Lost River we head down into the Inactive Lava Zone. The Alien Thermal Plant is the smallest of the four main Alien Bases located within the Lava...

In this video, I'll show you how to get to the Lava Castle, and within the Lava Castle is the Alien Thermal Plant which I will also show you how to reach in Subnautica!