D&D Notable Location - Swamp

A location that is known locally or further afield, as a landmark, place of history, magical danger or otherwise noteworthy.
The mists of the swamp hide many things, from the ruins of civilisations to shifting currents. Frogs and reptiles of all kind are found here, living alongside lizardfolk and snake-like abominations.

tools for - dnd5e location quest swamp

terrain:

An ancient trail leads through a salt marsh to a crystal tomb, ringed by upright bones. The bones whisper to any who enter the area.
Sea Horse Stone is an unusual ford. It was the site of a famous conflict. It is in the area of a hallow spell. is the birthplace of a travelling archmage.
A sacred hamlet in the trees. is the subject of a ballad.
The Astral Pillars of Spirits is a Pillars. It is at a crossroads. It was the site of a great tragedy. It is desecrated ground. has the tomb of a talkative fiend.
The Lost Wood is a hedge maze. It has a festival that occurs every 4 days.
Ruins of Halwater is a ruins. It is touched by death magic. has been moved from another realm.
Ashwold Ferry is a monastery. It is cursed by a god.
Beacon of Eternity. From a crumbling castle comes a pillar of light seen for far around. A pallor of dread covers the area, keeping many creatures away. A song tells of creatures reincarnated in the light.
Ruins of Grey Mere is an enchanted ruins. It is at the top of a hill. It has a splendid view. is the birthplace of the pink warlord.
A barren island is full of charred bones. Vents of marsh gas come from the bog around it. Flickering lights float around the area.