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Big Arm State Park
Big Arm
State Park
is a
Montana state park
that is
a unit
of
Flathead Lake State Park
near
Big Arm, Montana
. Big Arm State
Park
is located on the western
shores
of
Flathead Lake
, the largest
natural freshwater lake
in the western
United States
. The park's
recreational activities
include
fishing
,
boating
,
RV
and tent
camping
, and
swimming
.