Travel: Each player must exhaust 1 hero he controls to travel here.

As he drew nearer, he saw that it was made with spider–webs one behind and over and tangled with another.
–The Hobbit

Travel: Reveal the top card of the encounter deck and add it to the staging area to travel here.

Response: After Mountains of Mirkwood leaves play as an explored location, each player may search the top 5 cards of his deck for 1 card and add it to his hand. Shuffle the rest of the searched cards back into their owners' decks.

Forced: After the players travel to The Brown Lands, place 1 progress token on it.

They had come to the Brown Lands that lay, vast and desolate, between Southern Mirkwood and the hills of the Emyn Muil. What pestilence or war or evil deed of the Enemy had so blasted all that region even Aragorn could not tell.
–The Fellowship of the Ring

When faced with the option to travel, the players must travel to The East Bight if there is no active location.

"...to the east the lands are waste, and full of Sauron's creatures..."
–Haldir, The Fellowship of the Ring

While The Spiders’ Ring is the active location, the player guarding Gollum cannot change.

Shadow: If this attack is undefended, return any current active location to the staging area. The Spiders’ Ring becomes the active location.

While Dry Watercourse is the active location, all treachery card effects that target the player guarding Gollum also target each other player.

Travel: The player guarding Gollum must exhaust a hero he controls to travel to Woodman’s Glade.

Response: After exploring Woodman’s Glade, reduce the threat of each player not guarding Gollum by 2.

Response: After the players travel to Wood Elf Path, the player guarding Gollum may choose a new player to guard him.

Progress cannot be placed on Deceptive Path while it is in the staging area.

Forced: After Deceptive Path becomes the active location, shuffle the encounter discard pile into the encounter deck and discard cards from the top of the encounter deck until a location is discarded. Reveal that location and make it the active location. Then, discard Deceptive Path.

When Revealed: Reveal the topmost Spider enemy in the encounter discard pile and add it to the staging area.

Shadow: The player guarding Gollum must discard all resources from each of his heroes' resource pools.