Mountain Island Principal Arch (to Floating Island)

What you will find

Principal Alien Arch in the Mountain Island arch cache near the summit; once powered with an Ion Cube it warps to the Floating Island. Cave Crawlers live in the cache.

Mountain Island

Fog-shrouded island in the south-west corner of the Mountains, home of the Quarantine Enforcement Platform and the Principal Arch cache. The Sunbeam tries to land here.

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