the red line by glacierclan marks that there are uncharted and only mountainous areas past glacierclan territory and are labeled as extremely dangerous due to avalanches the blue cirlce with a star marks the moonhollow, which is a tunnel inside the glacier that leads to the moonmirror the gray circles near the top of the river are large, generally dry rocks. however, in the winter, the river moves much faster, which splashes over the rocks and makes them extremely slippery. only driftclan cats are able to cross them during the winter purple circle is the gathering place, located right by the shore