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How To Make a Mob Farm in Minecraft (Easy, Step-By-Step Mob Spawner)

by Claire Feb 20,2025

Constructing a highly efficient mob farm in Minecraft is crucial for resource gathering and XP farming. This guide provides a step-by-step approach to building a functional and expandable mob farm.

Step 1: Gathering Essential Resources

Begin by accumulating a substantial quantity of building blocks. Common choices include cobblestone and wood due to their abundance and ease of acquisition.

Step 2: Strategic Location Selection

The optimal location for a mob farm is elevated above ground level. Ground-level construction hinders mob spawning, as mobs will prioritize spawning near the player or in caves.

Constructing the farm above a body of water further enhances efficiency, as mobs cannot spawn on water. Build a platform approximately 100 blocks above the water's surface. Install ladders for convenient access. Finally, position a chest and connect four hoppers to it for item collection (as illustrated below).

Minecraft small platform in the sky with a chest and four hoppers for mob spawner

Step 3: Constructing the Central Tower

Enclose the hoppers with blocks, building a tower 21 blocks high for XP farming or 22 blocks high for automatic mob killing. Place slabs atop the hoppers.

Step 4: Creating Water Channels

Construct four 7-block long, 2-block wide bridges extending from the tower. Erect 2-block high walls along each bridge. Place two water blocks at the end of each bridge to create a contained water flow directing mobs towards the central collection point.

Water trenches for the mob spawner in Minecraft

Step 5: Completing the Structure

Connect the water channels to form a large square. Maintain 2-block high walls (the minimum height for mob spawning). Complete the structure by adding a floor and roof.

Minecraft mob spawner without roof

Step 6: Light Placement and Final Touches

Place torches or slabs on the roof to prevent mob spawning above the farm.

torches on top of the mob spawner in Minecraft

Optimizing Mob Farm Efficiency

While the basic farm is functional, several enhancements can significantly improve its efficiency:

  • Nether Portal Integration: Connect a Nether portal for quick and easy access to the farm.

  • Adjustable XP/Auto-Farming: Use pistons and levers to switch between 21-block (XP farming) and 22-block (auto-killing) configurations.

  • Bed Placement: Beds increase mob spawn rates.

  • Spider Prevention: Place carpets with one block spacing to prevent spider spawns, which can impede other mob spawns.

carpets to prevent spiders spawning

This comprehensive guide empowers you to create a productive and adaptable mob farm in your Minecraft world. Remember to adapt and expand upon these techniques to further optimize your farming strategy.

Minecraft is available on PlayStation, Xbox, Nintendo Switch, PC, and mobile devices.