This hi-res battle map was originally created to accompany the adventure What's Up in Downshadow from issue #204 of Dungeon Magazine. Authored by Sterling Hershey, this foray is designed to introduce new adventurers to the top most level of Undermountain.
In one simple download you get both a tagged DM's version of the map as well as an un-tagged players version sized at 3900 x 2000 pixels, it's perfect for home printing or screen display. Grab it now and don't forget to also purchase The Halls of Undermountain map to help introduce your players to the world below Waterdeep.
P.S. For a quick and easy tutorial on resizing digital battle maps for printing and use with miniatures, make sure to visit Schley's Tutorials.