Giant rats are common, low-levelled monsters. They can often be found in swamps and sewers, and are often killed by low-levelled players training their Combat skills as they are weak and can be easily found around Lumbridge and Varrock.
- Lumbridge Swamp (level 3 & 6)
- Port Sarim, just north of the chapel graveyard (level 3)
- Varrock Sewer (level 3 & 6)
- Edgeville Dungeon
- Stronghold of Security: Catacomb of Famine (level 26)
- Tree Gnome Village
- Shadow Dungeon