The fluss.zip file you have requested: Maps / Singleplayer / riverhills - 401.62kb is not available. Perhaps try browsing all files for the game Battle for Middle-earth II and upload any files you want to share or are missing. This is the only information we could locate:
It is a map with a river and an little island in the middle. on the island is an hill-ring which is guarded by some wraiths. Yes that's it.