Napiers Arms has its own dedicated Facebook page and a spot on Mountain Ash's High Street — a proper local, not a big-chain pub.
No menu or hours are published anywhere online, so this is the general shape of the place, not a fixed promise.
Napiers Arms's only online presence found was its Facebook page, which blocks automated reading — so this page is built from the confirmed address and phone number alone, not from any photo or post we could actually see. Send over anything real and it goes straight in.