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Dome Rock
Dome
Rock
is an
andesite
formation
of the Old
Cascades
in the
Willamette National Forest
. The
mountain
is
best
known for its
hiking trail
that
goes
to the
summit
. Dome Rock
lies
in
Linn County, Oregon
. About
3 miles
southeast
of Dome Rock is the
small town
of
Detroit
.