You can enjoy an indoor riding lesson at Starlight riding centre, a couple of miles from the valley; or what could be more memorable than a gallop through the surf with Marros riding centre or East Nolton riding stables.
There are several riding centres in the area:
http://www.starlightridingcentre.co.uk/ Starlight riding centre near Newcastle Emlyn (10 minutes drive from the mill)
The Dyfed Riding Stables in Cardigan SA43 3DG – recommended by one of our guests. 01239 612594
http://www.marros-farm.co.uk/ Marros riding centre – Beach rides, own a pony days.
http://www.noltonstables.com – East Nolton riding stables – Beach riding in Pembrokeshire
Also, see the section on horse riding in Carmarthenshire on this page: http://www.discovercarmarthenshire.com/things-to-do/?f=4082