Connected to the underground portion of the near constantly flowing border river, making hydro power a reliable source of energy.
Straits and waterfalls make sailing up the river practically unfeasible. This makes it necessary for trade goods and passangers passing through Dunmur to be transported from one end of the underground river to the other by way of donkey carriage, by foot or something along those lines. The path is lit and maintained by the city, making the traversal relatively safe.
Sports sections of excavated ruins part way through. Dwarves consulted in Ardlaig indicate this to be some old outpost of theirs abandoned for being too remote from their caverns, and concerningly close to the elves and fae of the Verdant Veil when they returned after the destruction following the Ordering.
Possibly due to the customs of their creators, the inhabitants currently living in these underground ruins have taken to enjoy singing. The excellent acoustics can enhance any proficient performance.
