|The Eastern Sierra
Interpretive Association (E.S.I.A.) is a non-profit
organization responsible for assisting the Inyo National
Forest in providing interpretive activities and
information to our visitors.
E.S.I.A. has set up the
Mammoth Winter Recreation Trail Grooming Fund to assist the
U.S. Forest Service in providing trail signs, trail maps,
grooming reports and improved grooming of the Inyo's
winter trail system.
If you would like to donate to this fund, please send
your generous contribution, in the form of a check or
money order, to:
Mammoth Winter Recreation Trail Grooming
Eastern Sierra Interpretive Association
190 E. Yaney St.
Bishop, California 93514