Clue nests are nests that can be found while training Woodcutting. Searching them will give players a clue scroll of the same difficulty as the nest given. Like clue scrolls, players can only have one of each type of clue nest in their possession.
If a player does already have other tiers of clue scroll in their possession, it does not increase the chance of getting the tier of clue scroll which they don't have yet. 
A player cannot possess a clue scroll of the same difficulty as the clue nest.
There are four types of clue nests: