Originally Posted by
sarhog
I rode that route May 15th, and there was no water available at the Craggy Gardens visitor center. It was closed, and restrooms were locked. The only water was from the sink at the Mt Mitchell visitor center, 2 miles from the summit.

Kudos.
Agree cyclists riding in this area really need to plan for water. The bathroom sink at the ranger station a couple miles before the summit is probably your best bet.