Water may be scarce at higher elevations. The arctic tundra is underlain by permanently frozen soils that act as a barrier to draining water creating extensive wetlands. Clumps of tundra sedges called tussocks create unstable footing and frustrating hiking. When Hiking Streams and rivers can be cold and dangerous. Know the proper techniques before attempting to cross them or change your route to avoid dangerous crossings.
Animals are wild.
Keep a clean camp and use common sense. Use bear proof food containers and store them away from camp and cook areas. Carry out food waste. Take every precaution to minimize animal encounters. Treat all water to prevent giardiasis, an intestinal disease caused by the infectious parasitic cyst Giardia .