You can join the tour from your preferrable departure location among 2 places. Take advantages of the group tour. All the destinations will be difficult to access by public transporation and you can have not any wasting time in one day with the comepetitive price.
Seoraksan is one of the representative UNESCO Biosphere Preservation Districts and we will enjoy unique rocks and beautiful landscapes while walking.
Alpaca world is the most popular animal friendly theme park. You can commune with Alpacas and other animals in the nature.
Nami island was famous for K Drama, Winter Sonata shooting place but now it is popular for romantic island and amazing photo spots. You can relax while walking along with the river and trees too.