The hiddenvalleymp.zip file you have requested: Maps / Multiplayer / Hidden Vally - 227.09kb is not available. Perhaps try browsing all files for the game Battle for Middle-earth and upload any files you want to share or are missing. This is the only information we could locate:
This is a 4 player, 2v2 multiplayer map. There are 3 bridges separating enemies, 8 settlements and 1 camp in the middle. Everyone starts with 2000 cash. FOL's command points are 300 and FOD's is 450. Have fun!