1 - Copeland's Camp – The first camp in the game; you can buy here supplies, upgrade motorcycle, but you won't obtain here new weapons.
2 - O'Leary Mountain – In this camp you can rest, use a Locker and find some random supplies, materials and ammo in the chest, that Boozer gained.
Other important areas
1 – Passageways between regions. They connect Cascade with Lost Lake. You must advance in the game to unlock them.
2 – Passageways between regions. They connect Cascade with Belknap. You must advance in the game to unlock them.
2a – Passageways between regions. They connect Cascade with Belknap. You must advance in the game to unlock them. Push the car from Belknap-region-side, to unlock a passage for a bike.
Most important locations on the map
1 – Ambush Camp. Enemy camps can be conquered to reveal some secrets on the map and unlock new crafting recipes, by finding map in the bunker hidden in the camp.
2 – Infestation zone.
4 – NERO Checkpoint. Watch out for nearby Horde. To get into checkpoint, grab a fuel from the boxex near the front of the train and push a car, to get on the roof of the checkpoint.
5 – NERO Checkpoint.
6 – NERO Checkpoint. This one is unlocked in one of the first missions.
7 – NERO Research Site. Point is located in the mine; watch out for the Horde!
8 – NERO Research Site. Jump here (near crashed chopper) using bike; nitrous might be useful!
9 – NERO Research Site. Research site is located in the cave; keep to the left in the caves.
10 – NERO Research Site. At the end of the bridge.