Soft Mires
The Two Towers #101 (x4/x3)
Lieu
2 (4)
Marsh.  

Mire 1. Forced: When Soft Mires is discarded by the Mire keyword, the first player reveals an encounter card.

Travel: Raise each player's threat by 1 to travel here.

The hobbits soon found that what had looked like one vast fen was really an endless network of pools, and soft mires... -The Two Towers