This would be the thrush. There were also ancient ravens around the mountain. Some of them could communicate with the dwarves.
There were moon runes in the map. The could only be read by moonlight, and it could be only the moon in the same phase or same night. The runes told how to find the keyhole to the secret passage.
Hmmm.. ALL the settings? I'll give it a go. Bag End Green Dragon Inn Trollshaw campsite Troll cave/hoard Last Homely House aka Rivendell Misty Mountain pass cave Goblin Town hall Goblin Town tunnels Gollum's lake Goblin town "back door" Ring of trees (warg and orc attack) Eagle's eyrie Carrock Beorn's House Mirkwood path entrance Mirkwood Spider's webs Thranduil's Halls Forest River Lake-town aka Esgaroth Dale Lonely Mountain aka Erebor Secret Door Smaug's lair/treasure hoard Ravenhill Lonely Mountain/Erebor main gate I think that's all. I don't know how specific you needed it, but that's all I can come up with.
The dwarves were searching for the secret back door that led into the Lonely Mountain. They wanted to enter this way because the front gate was guarded by the dragon Smaug.
Thorin's grandfather, King Thror Under the Mountain, travelled far and wide after his kingdom was destroyed by Smaug the Terrible. His life was ended by Azog, a gblin-chieftain. Azog branded his name on Thror's forehead.
This would be the thrush. There were also ancient ravens around the mountain. Some of them could communicate with the dwarves.
At the unexpected party, Gandalf gives Thorin a map of the Lonely Mountain, which has information about a secret door and the key to the secret door.
There were moon runes in the map. The could only be read by moonlight, and it could be only the moon in the same phase or same night. The runes told how to find the keyhole to the secret passage.
The map was very old and showed a secret passageway to the mountain.
The secret entrance to the Lonely Mountin. That is explained in the chapter "An Unexpected Party". Gandalf says, "There is one point that you haven't noticed and that is the secret entrance. You see that rune on the West side, and the hand pointing to it from the other runes? That marks a hidden passage to the Lower Halls." The runes say "Five feet high the door and three may walk abreast."
the secret entrance to rusturf tunnel it is up on the mountain
there is no secret entrance
"There is one point that you haven't noticed," said the wizard, "and that is the secret entrance. You see that rune on the West side, and the hand pointing to it from the other runes? That marks a hidden passage to the Lower Halls." The Hobbit JRR Tolkien
Hmmm.. ALL the settings? I'll give it a go. Bag End Green Dragon Inn Trollshaw campsite Troll cave/hoard Last Homely House aka Rivendell Misty Mountain pass cave Goblin Town hall Goblin Town tunnels Gollum's lake Goblin town "back door" Ring of trees (warg and orc attack) Eagle's eyrie Carrock Beorn's House Mirkwood path entrance Mirkwood Spider's webs Thranduil's Halls Forest River Lake-town aka Esgaroth Dale Lonely Mountain aka Erebor Secret Door Smaug's lair/treasure hoard Ravenhill Lonely Mountain/Erebor main gate I think that's all. I don't know how specific you needed it, but that's all I can come up with.
The dwarves were searching for the secret back door that led into the Lonely Mountain. They wanted to enter this way because the front gate was guarded by the dragon Smaug.
In the plaza
look up the question what if there isn't a secret entrance on mt ember, basically its the same thing.