As I read your post I was getting very concerned that the RV Resort was a nudist colony for seniors. https://en.wiktionary.org/wiki/happy_trail#:~:text=happy%20trail%20(plural%20happy%20trails,from%20pubic%20hair%20to%20navel. The pickleball tournament was held at the Happy Trails RV Resort in Surprise, Arizona, and within five years included 275 participants.