Highlands is one of three maps in the Defiant map pack designed for Halo: Reach.[1] The map is set in a UNSC SPARTAN-II training facility in the Military Wilderness Training Preserve within the Highland Mountains on Reach. Outside the playable space, Covenant CCS-class battlecruisers can be seen glassing the surrounding environment.

The following are locations on the map that are so named on the player's Heads-up display during gameplay:

Image Location

Needle Rifle: Just by the ground door of grav lifts in either base. There is another one at each base on the second floor of the grav lift, away from the bases. There is another on the bottom level of Communications.

DMR: There is one at each base on the second floor of the grav lifts, towards the bridges. There is one on the roof of Operations. There is another in the West Cave.

Shotgun: There is one on the top level of Communications. There is another on the bottom level of Operations.

Plasma Repeater: There is one at the doorway at the bottom level of the Motor Pool, towards the Red Base. There is one at the entrance of the East Cave from the Underpass.

Plasma Launcher: It is located on the outdoor balcony of the Motor Pool, on the second floor facing the Pelican.

Fragmentation Grenades: There are two located with the Shotgun on the bottom level of Operations.

Plasma Grenades: There are two located around the Plasma Launcher. There are two located on the Island, towards the Waterfall.

Sniper Rifle: There is one located on the top floor of the grav lift at each base

Rocket Launcher: There is one at each base, on the bridge.

Grenade Launcher: It is located in the troop compartment of the Pelican.