There are a number of good spots on the way to Audlem.
You've got Hack Green (apparently there is a secret nuclear bunker but don't tell anyone ... ) with rings iirc on the VMs. Then there is Coole Pilate VM's again rings and this is a lovely spot, one of our faves. After that in easy walk of Audlem there is Moss Hall Aqueduct, you'll need pegs here but a truly lovely place to spend a few days, further up (approx 200 yards) there are VMs with rings but they are often full and don't have the view!
There are VM's through each of the next couple of locks, they are ok, nice and safe but limited for solar and VMs above lock 24 iirc. All of these are close to the village.
Can't help re car parking sorry.
The Sunday lunch in the SHroppie Fly was excellent when we had it back in Januarty, advisable to book as they were very busy. Don't know if the Bridge Inn is doing food as such, never really enjoyed that pun tbh (no idea why either). The Lord Combermere has re-opened and whilst they did truly excellebnt food previously we haven't eaten in there since the re-opening.
Finally yes D&G accept bus passes