Tintern Abbey

Access  is very good indeed, carpark near enterance
Staff, On my first visit in a wheelchair, very helpful, Second visit walking, I was treated with suspicion, like I was faking to get in for free, I wrote to cadw and they said they would address there staff about this.
Semi Okay in the Wet
Dogs Welcome
Toilets at the beginning of the site
Plenty of places to sit
Plenty to Sketch and photograph, in fact totally over whelming
Very magical especially when misty
Best Bit - it's scenery and location, very romantic

see:
www.castlewales.com/tintern.html

http://cadw.wales.gov.uk/daysout/tinternabbey/?lang=en

Hore Abbey *FREE SITE*

There is parking just on the road you have to walk a little way which is mostly on a level to get to the site
There was drizzly when we went and it was okay
No Staff
Dogs allowed on leads
no Toilets
No where really to sit or rest
Rather spooky and enchanted place 
Best Bit - It's graveyard, I actually tripped over a bone sticking out the ground! Spooky!

See:
http://www.discoverireland.com/gb/ireland-things-to-see-and-do/listings/product/?fid=FI_60836

Oystermouth Castle

Parking in Town ( you have to pay)
The walk up to the castle is steep with steps and rather difficult
not very good to explore if you have difficulty walking
Staff Exceptionally Friendly
Plenty of places to explore in wet
Dogs Welcome
Toilets half way up to the castle from the car park
Plenty of places to sit
Plenty to Sketch and photograph

Best Bit - Secret passageways

See:
http://www.swansea.gov.uk/oystermouthcastle

Jerpoint Abbey

A large car park with disabled bays all on level a part from a few steps up to the abbey it's self
Brilliant On Rainy Days
The lady here was one of the most knowledgeable and friendliest staff I have ever came across
Guide dogs
Lovely Toilets
A few benches and resting area's
very photographic, lovely to sit & sketch
Best Bit - The cloisters

See:
http://www.heritageireland.ie/en/south-east/jerpointabbey/

Carreg Cennen Castle

Access very steep climb up but once at the top okay
Staff Very Friendly
Semi Okay in the Wet but can get bleak
Dogs Welcome
Toilets
A few places to sit
Brilliant welcome in the warm cafe and farm area
One of the best castles in wales, In my opinion!
Best Bit - The Cave Tunnel - Take a Torch!

see:

http://www.castlewales.com/carreg.html

http://www.carregcennencastle.com/

http://cadw.wales.gov.uk/daysout/Carreg-cennen-castle/?lang=en

Mottisfont Abbey

There is a large car park everything is mostly on a level
However this is a very busy and commercial site
Okay on a rainy day
The staff really wasn't interested, just doing a job
Guide Dogs Only
Toilets
Loads of  benches resting and picnic area's
very photographic
Best Bit - The gardens

See:
http://www.nationaltrust.org.uk/mottisfont/

Warwick Castle

Access is okay
Staff  uninterested
Superb in the Wet
Dogs not allowed
Plenty of Toilets
loads of places to sit
Best Bit - The river and owl display

* I totally hated this place not only is it very exspensive to get in, it feels totally fake and like disney land
I will never return and will never recommend it to any one.

See: www.warwick-castle.com/