Week 7 challenges in Fortnite include finding 7 hidden Gnome Locations around the map. These Gnomes appear in one specific location in each named area. There are more than 7 Gnomes you can find around the map. Some of these Gnomes are well hidden underground, behind crates or other sneaky places.
Here are the 7 Gnome Locations for Week 7 in the video
Haunted Hill Gnome Location (00:09)
Behind a wall inside the big stone house
Tilted Tower Gnome Location (00:29)
Underneath a truck in the very south of the area
Retail Row Gnome Location (00:49)
Inside the small pump room in the south-east of the named area
Dusty Depot Gnome Location (01:09)
Behind a crate inside the south warehouse
Flush Factory Gnome Location (01:51)
Inside a brightly painted 4 wall cube with a toilet in it.
Snobby Shores Gnome Location (02:23)
Inside the bunker of the south building. You can find the stairs behind a wardrobe