Jonathan Roberts, cartographer for Kobold Quarterly and Adventures in the Hyborian Age, presents "To Kill or Not To Kill" map: Tree Bridge. This multi-page PDF allows you to print out the battlemap at a 1 square=1 inch scale as a letter-format map and is also available in a printer-friendly light grayscale version.
The immense islands of earth block out the sun, casting an eternal twilight. Eventually, you come to an unusual area. The water has pooled where the trees tore the ground up from the earth to create a vast dark lake in which the occasional whirlpool forms. This shadowy mere blocks any further travel via land. However, a great tree appears to have fallen down and created a natural bridge over the area. Two large waterfalls flow down from the islands to either side of the bridge, soft mist filling the air in between.