The Long Lake was the lake that lay to the south of the Lonely Mountain and Dale. On its western shore near the mouth of the Forest River was the site of Lake-town, home of the trading people of the Lake-men. It was wide enough that the opposite shores looked small and far, while the northern and southern ends could not be seen at all. It was fed by the Forest River and the River Running which then flowed out of the Lake over a high waterfall at its southern end. The two rivers filled what once must have been a deep rocky valley.
Before the exile of the Dwarves from Moria, the realm of Thranduil is said to have extended to the western shores of the Long Lake. Later, after the founding of the Kingdom under the Mountain and the city of Dale, the trade-town of Lake-town grew up near the inflow of the River Running. In T.A. 2941 the lake became the grave site of the dragon Smaug.
 Portrayal in adaptations
|The Long Lake in adaptations|
2018: The Lord of the Rings Online:
- The Long Lake was added with the Strongholds of the North update in 2018. The surrounding areas are set in the immediate aftermath of the Battle of Dale, with Men and Dwarves rebuilding after the siege and remnants of the Easterling army still lurking around.
- ↑ J.R.R. Tolkien, The Hobbit, "Map of Wilderland"
- ↑ J.R.R. Tolkien, The Hobbit, "A Warm Welcome"
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), Unfinished Tales, "The History of Galadriel and Celeborn", "Appendix B: The Sindarin Princes of the Silvan Elves"
- ↑ J.R.R. Tolkien, The Lord of the Rings, Appendix B, "The Third Age"
|Route of Thorin and Company|
|Bag End · Green Dragon · The Shire · Lone-lands · Last Bridge · Trollshaws · Trolls' Cave · Rivendell · High Pass · Front Porch · Goblin-town · Goblin-gate · Eagle's Eyrie · Carrock · Beorn's Hall · Wilderland · Forest Gate · Elf-path · Mirkwood · Elvenking's Halls · Forest River · Lake-town · Long Lake · River Running · Desolation of the Dragon · Ravenhill · Back Door · Lonely Mountain · Great Hall of Thráin|