I presume that's the same as sgk posted earlier with the link to the Enterprise Inns site. The link in his e-mail didn't work but a search for the Rock on the Enterprise site brings up this tenancy opportunity:-
ROCK TAVERN MARPLE BRIDGE - Retail Partnership Tenancy
Guide Rent £32,000 pa
The Rock Tavern, a substantial stone built pub, is situated in the heart of the Peak District with panoramic views of the local countryside. The pub benefits from a bar, lounge and dining area together with external patio, beer garden and large car park.
This is a rural destination pub attracting a broad customer base including people who wish to drink, dine or stay in the letting accommodation. There is significant scope to develop the business further with the right Publican on board. An ideal business opportunity exists for a Publican with enthusiasm and flair.