Twilight Forest Cave Fix

Fixes the bug that causes Twilight Forest's caves to cut off when beneath water

16.2K Downloads

forgeworldgen

About this Mod

This addon mod prevents the Twilight Forest's caves from cutting off due to being below rivers by removing the check for water

Before - After

This is only for 1.20.1, 1.20.4 onwards already has this bug patched

Only needs to be installed on server side

Programming by Project8gbDeRam

Available Versions

Twilight Forest Cave Fix 1.0.0release

MC 1.20.1forge

September 15, 2025

How to Install Twilight Forest Cave Fix on Your Server

Order Server

Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).

Install Mod

Open the mod browser in the dashboard and search for "Twilight Forest Cave Fix". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

✓ Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Twilight Forest Cave Fix server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.

Is Twilight Forest Cave Fix compatible with forge?

Twilight Forest Cave Fix officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Twilight Forest Cave Fix – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Twilight Forest Cave Fix consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.