The location of this cave and its lake is deepest within the caverns. Coming from Eglanúr, at the last fork the left passage leads to the Goblin-town Throne Room (also known as the Great Goblin's Den), but further off to the right is this hidden cavern.
The following deeds can be obtained by visiting this location:
-  The Undiscovered Path - Small fellowship
The following creatures are found within this area:
- Gollum's cave is a dark, silent lake nestled down near the roots of the Misty Mountains, and it is said that even goblins fear it greatly and rarely come here.
- The famed hobbit-burglar Bilbo Baggins stumbled into this cave long ago, when Dori dropped him off, and there met the wretched creature Gollum. It is said he won his freedom through a Riddle-game, but there is rumour that he did not play fairly.
|Settlements, Areas and Landmarks of The Misty Mountains|
|Settlements:||Glóin's Camp • Hrimbarg • Vindurhal|
|Areas:||Bruinen Source East • Bruinen Source North • Bruinen Source West • Giant Halls • Goblin-town • High Crag • Northern High Pass • Southern High Pass|
|Landmarks:||Akûltot • Bergel's Notch • The Bitter Stair • The Black Crack • Caldwell Pool • Ceber Los • Cirith Daur • Cirith Imladris • The Deep-fires • Den of the Northern Army • Dómstoll • Eglanúr • Eikhall Dale • Erforgh Cleft • Frosthyle Pond • Gabilazan • Ghâshru • The Giant's Needle • Goblin-town Throne Room • Gollum's Cave • Greybough End • Hríthur's Haven • Imlad Norn • Iorbar • Iskeld's Lookout • The Lornstone • Men Helch • The Mountain's Throat • Nan Gongarag • Northtarn • Orod Laden • Pinnath Fenui • Rakhâs-bizar • Slave Pens • Snárskrith Dell • Starkhath • Stonecaller's Circle • Thorgest's Haven • Thundergrot • War Steadings • Whitcleft • Writhenbores|