World · Segmentum Obscurus

Port Maw

Fig. 1 · Location on the map

Port Maw is a major industrial world and fleet base of the Coronid Deeps (Segmentum Obscurus); the Port Maw Armada was one of the main loyalist forces of the northern Imperium in the Manachean War.

Category: World
Location: Segmentum Obscurus
Significance on the map: 2 of 5
Place confidence: Place reliable
Events: 1 event

Place on the map

Grounds for placing the system exactly here on the map:

«Location: the Coronid Deeps… (Segmentum Obscurus), including Port Maw» — Atlas compilation · source check 2026

Events in the system

Treachery at Port Maw 007.M31 · Traitor victory

Legions

Legions named in the system’s events:

XVI Sons of Horus 1 event

Factions

Named among the sides of the system’s events:

Imperial Army 1 event
Dark Mechanicum Mechanicum · 1 event

Sources

Lexicanum: Manachean War
Atlas compilation · source check 2026

Open in the atlas

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