Glacial Ravine

Summary
Glacial Ravine is a 3v3 map for Halo Wars, included in the Historic Battle DLC, with two large sections of the map separated by a small mountain range. The only way for ground troops to get to the other side of the map (where your opponent spawns) is by passing a small opening in the middle of the mountain range which is fortified by shield walls in which troops can be garrisoned.

Each side of the map has 3 areas for the player's bases, and 4 Rebel controlled base outlets.

Trivia

 * This map and Repository are the only maps to feature Sentinel Factories.