Adventure Location - Swamp

Short location for an encounter, ambush or distraction. Options for a possible interesting extra.
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.

terrain: Terrain Type:

A mansion (it is drizzly)
A bubbling pool of mud (there is a pile of misshapen rocks)
A discoloured river with a rocky island (which is in the area of a forbiddance spell)
An ornate tomb (by a bleak slope)
A stunted vegetable garden (there are several tree stumps)
A ferry over a river and a patch of hardy fungi (there is a muddy trench)
A sea of shallow water and an overgrown pool (it is drizzly)
A shrine to a power of trickery (there is a smell of rain)
A field of brownish pink flowers (the area is in the area of a forbiddance spell)
A stream (there is a cool breeze from the north-east)