Is this sentence OK?
1. I've worked so hard until now and I feel quite exhausted. So want to go this beautiful beach in Busan for healing time.
2. I like to go for a walk to the river. it is very quiet and clean so when I walk there I feel happy and walking there is quite healing.
3. In summer, my family and I will go to a nice hotel for healing.

All of the above sentences contain "healing". Does this word "healing" make sense in those sentences? If not, what would be better?

Question

Is this sentence OK?
1. I've worked so hard until now and I feel quite exhausted. So want to go this beautiful beach in Busan for healing time.
2. I like to go for a walk to the river. it is very quiet and clean so when I walk there I feel happy and walking there is quite healing. 
3. In summer, my family and I will go to a nice hotel for healing.

All of the above sentences contain "healing". Does this word "healing" make sense in those sentences? If not, what would be better?

Answer

There is an expression in American English:
"for a little R and R."  It means "for a little rest and relaxation."
"We're going to the beach this weekend for a little R and R."

Answer

Its okay, but instead of using the word healing, REST would suit your situation better. 
Eg. For summer holiday, My Family and I will spend some time away at a resort to rest. Hope it helps !