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Chungcheongbuk-do
I
Chungcheongnam-do
I
Gangwon-do
I
Gyeonggi-do |
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Gyeongsangbuk-do I
Gyeongsangnam-do I
Jeollabuk-do I
Jeollanam-do I
Jeju-do |
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 The
Jeju
Volcanic
Island
and
Lava
Tubes
is a
World
Heritage
Site
in
South
Korea. |
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Jejudo
is a
volcanic
island,
130
kilometers
from
the
southern
coast
of
Korea.
The
largest
island
and
smallest
province
in
Korea,
the
island
has
a
surface
area
of
1,846
square
kilometers. |
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A
central
feature
of
Jeju
is
Hallasan,
the
tallest
mountain
in
South
Korea
and
a
dormant
volcano,
which
rises
1,950
meters
above
sea
level.
360
satellite
volcanoes
are
part
of
the
main
volcano.
Volcanic
activity
on
Jeju
began
approximately
in
the
Cretaceous
and
lasted
until
the
early
Tertiary
period.
The
last
recorded
volcanic
activity
was
recorded
approximately
800
years
ago.
The
island
is
covered
in
volcanic
rock
and
volcanic
soil
produced
by
Hallasan.
Baengnokdam,
the
crater
and
lake
in
it
are
located
at
the
peak
of
Hallasan,
was
formed
over
25,000
years
ago
while. |
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Jeju
is
scientifically
valuable
for
its
extensive
system
of
lava
tubes
(also
known
as
lateral
volcanoes
or
in
Korean
as
Oreum).
These
natural
conduits
through
which
magma
once
flowed
are
now
empty
caves
that
are
some
of
the
largest
in
the
world.
The
caves
provide
opportunities
for
scientific
research
and
are
also
popular
tourist
destinations.
Off
the
shores
of
the
city
of
Seogwipo
are
a
vast
belt
of
pillar-shaped
rocks
that
are
examples
of
the
natural
beauty
of
Jeju. |
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Shellfish
and
animal
fossils
discovered
in
this
area
are
also
very
valuable
as
scientific
resources.
Beomseom
Island
and
Moonseom
Island,
also
off
the
city
seacoast,
are
also
well
preserved
and
scenic
areas.
The
variety
of
animal
and
plant
species
on
Jeju
is
also
an
important
reason
for
its
value
as a
natural
reserve.
Half
of
all
Korean
vascular
plants
grow
naturally
on
the
island
while
another
200
species
of
plants
indigenous
to
Korea
have
been
transported
here.
However,
half
of
these
species
face
extinction.
The
polar
plants
which
came
from
the
south
during
a
glacial
period
and
inhabit
the
peak
of
Jeju
is
one
example.
Other
plants
in
the
subtropical
forest
and
lower
regions
of
the
island
are
also
endangered. |
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