What is Walk of the Planets?
A solar system 3.5 kilometres long trail that follows the old Butter Road from Caherdaniel village (Stop 0) to midway along Coad mountain (Stop 9). This is a daytime walk.
https://www.guidigo.com/Tour/Ireland/Ireland/Walk-of-the-Planets–Caherdaniel-Dark-Sky-Group/h-cThjU1y74?lg=en