There are over 450 pubs in the branch area, and around 400 of those sell real ale. The links below are to the CAMRA WhatPub website where you can see the lists of the pubs in and around the town/cities in the branch area. From there you will be able select pubs to see details such as opening hours and beers available. The lists can filtered in WhatPub to only show real ale pubs or pubs with certain features/facilities.
Details for individual pubs can be searched for on WhatPub
For York city centre there is also a PDF Map of the real ale pubs.
York City Centre PDF Map – the map shows all the pubs selling real ale in the centre of York. It can be printed on A4 or A3.