Mountain water resources are of particular importance for downstream populations but are
threatened by decreasing water storage in snowpack and glaciers. Groundwater
contribution to mountain streamflow, once assumed to be relatively small, is now understood
to represent an important water source to streams. This review presents an overview of
research on groundwater in high mountain environments (As classified by Meybeck et
al.(2001) as very high, high, and mid‐altitude mountains). Coarse geomorphic units, like …