As a first-night house in Minecraft, I always make a tree house, but spiders keep messing with me. How can I prevent this?

  • 1
    Did you have a look at these relevant questions: blocks spiders cannot climb and ways to secure buildings from spiders? What kind of problem are you having? Are they are spawning on top of your tree? Are they are climbing into your house?
    – Sadly Not
    Nov 19, 2012 at 18:52
  • for spawning on top just light the top (or ensure no solid blocks are available to spawn) Nov 19, 2012 at 19:06
  • They are spawning on top of the tree,even though its lit.
    – SuperSpy
    Nov 19, 2012 at 19:53
  • If it's lit, and you don't have any dark patches that aren't leaves or another transparent block, then they're not spawning up there. More likely there is either a climbable path up, or they're dropping/jumping down from somewhere else. Nov 20, 2012 at 18:24

3 Answers 3


spiders actually cannot pass through spaces that are 1 square wide. If you create a tree house with an entrance of 1 space squared and you bullet proof the roof by making a design that has only 1 square spaces spiders will not be able to get through either from top nor the bottom.

Here is a video of what i mean:

had hard time finding a video but this one explains it at 1:08


  • alternatively you can light the roof so no spiders spawn there and cut down trees around so the spiders dont jump into your tree house. you still need to 1 square pattern though
    – Xitcod13
    Nov 23, 2012 at 15:44

I found out a good way to make a treehouse spider proof. First of all as always, keep it lit, because mobs may spawn in your treehouses if unlit. Second, make sure your tree house is away from a cliff or other trees. The Third thing has a lot of explanation. You're going to put half slabs or normal on each side of the tree house. This prevents spiders from climbing onto the house.

Example of a spider proof wall:


So thoses are the ways of making your treehouse spider proof! Have a good time building!


My answer is this, Replace any wood on the top of your house with a non burnable block and put lava down all over the top with glass under it. So mobs don't spawn on the roof, and your house is lit.

  • 11
    ... not to mention "on fire". Nov 20, 2012 at 15:13

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