Robin Park Indoor Sports Centre,
Loire Drive, Wigan, WN5 0UH.
For details of opening hours, prices*, and the CAMRA bus service between the town centre and the festival, see the website.
* CAMRA members get in free at all times; bring your membership card.
I enjoy this festival so much that I'll be working there throughout. Here's a link to the final beer list, which should help you build up that necessary thirst ...