The valley with the Demon Door ends with a frozen waterfall . Above it you will find the first Gnome .
From the abandoned monorail station, go left  and you should see a small path in the woods. It leads to a silver key but you will also find a gnome there .
While going from Brightwall towards the Dweller Camp, cross two bridges and turn left by the road sign. This way you will reach an abandoned camp . The Gnome is on the rock on the left .
The fourth Gnome is inside a cave  with a silver key. To reach it, step onto the forest path on the left, a few steps behind the last wooden bridge (going from the Dwellers Camp). Right after going inside, take a look at the vault of the cave. The Gnome is hanging beside the stone pillar .
The next Gnome can be found is the cave with the gold key. To reach it, go to the abandoned monorail station and from there head towards the mountains, following the path along the lake. Turn left by the second road sign . The little path will lead you to a cave .
Once inside, move forward all the time, paying close attention to the left side of the path. At some point you should see a frozen lake, destroyed bridge and a group of bandits there . On the middle there's a big stone pillar with a Gnome at its top .
Head to the Mercenary Camp  and move forward until the second gate. Behind it you should see a water tower . The Gnome is at its top.
To get the next one, head to the abandoned monorail station. Ride the elevator down and keep moving forward. After a short walk you will be attacked by Hobbes. Defeat them and go round the nearby wreck . You will find the next Gnome there .
The last one is quite nearby. Follow the tunnel until you reach the arena on which you fought with a group of Hobbe mages . The Gnome is hanging on the nearby wall .