Can anyone help me start a letter to my counselor?

Question

i have this counselor at my camp that i really like and this was his last summer at my camp and i really want to write him a letter before he leaves and i don't know how to start it so if u guys can help me that would be awesome.

Answer 1

Tho is is just a brief note to indicate how helpful you have been during the past two summers.

Answer 2

Dear (Insert Counselor's name),