Sir Calzo had built a VERY nice Goblin cave, and proposed it for MERP. Thank you a LOT!
----before going farther, I DID try to contact the author and asked permission, but got no reply, so here is my version---

Actually it was in no way related with MERP and could as well be used with any game using Oblivion.
The design fitted well MERP: large and intricate. However, except for a good amount of  decorative clutter, the cave was totally EMPTY -no foe, no loot-
So I fixed the two minor bugs found (one floating crate and a tunnel ending into the void), and began adding some life into it :)
Next I hooked it to the cliff gate at the end of the Goblin Fort which MERP set up north of Rivendell. That door headed to nothing, which was a pity, and it was perfect to hook the Goblin Cave to MERP :)

As mentioned, I added to it the Cave Troll who was ready into the MERP data, but used nowhere. I had to tweak it a bit, but it does work.

Now the cave has a number of opponents, some loot, and more decoration.

Requirements:
======================
Oblivion Version 1.2.0416
MERP 0.265
my own MERP NIF and Textures fix

Installation Instructions
======================
Unzip and drop into the Data Copy contents into your MERP data folder, set the loading order and go.

Uninstallation Instructions
========================
Delete the esp.

Incompatibility
==============
It would conflict with any other add-on hooking a place to that cliff door… but I know of none!!!

Known Issues
============
Sometimes CTD when FIRST entering the cliff door. Restart, reload and wait some more before going in.

Troubleshooting
===============
In case you find a systematic bug, feel free to come to me with questions or issues and I will help as best as I can.  That said, please bear in mind that I am a novice modder.

Credits and Thanks
=================
Thanks to:
Calzo
Bethesda Softworks
TES Nexus
Nifskope


Licensing and Legal
==================
Who cares? Not me. You can do whatever with this add-on, just mention the original creator and me.