attractions
blue sea
blue sky
clouds
empty
island
japan
koshinetsu region
marine
mountain
national monument park
niigata
niigata prefecture
nishikanbaragun
observatory
ocean
ohiraenchi
outlying islands
overhead
pacific park
panorama tower
panoramic
park
prospects
sado island
sadoyahikoyoneyama quasinational park
sanctuary
scenery
sea
sea of japan
skyline
spacious
summit
sunny
the summit of the yahikoyama skyline
top of mt yahiko
tourism
tourist attractions
tower
travel
vantage point
view
yahiko
yahiko mountain
yahiko mountain panorama tower
yahiko mountain skyline
yahiko mountains
yahiko shrine
yahikoyama observatory