Useful information

Places to eat
George 111 in Penmaenpool is the nearest pub and restaurant. 
Gwernan Lake Hotel on Cader Rd.
Various restaurants, pubs and cafes in Dolgellau.  TH Roberts coffee shop for delicious cakes, and Crasdy'r Gader bakery is a must visit for local speciality "honey buns". 
Tafarn y Gader Tapas restaurant serves a delicious and affordable Welsh twist on traditional tapas, or for something a little more special head to Y Meirionydd townhouse for dinner- both restaurants book up quickly, so it's really worth calling ahead.
A Fish & Chip shop, an Indian, Chinese and Kebab takeaway in Dolgellau. Also an excellent Indian restaurant & take away, Indiana Cuisine in Fairbourne.
Dolgellau, Fairbourne and Barmouth all within an easy drive. 
Fantastic sandy beaches at Fairbourne and Barmouth. Also Shell Island up towards Harlech.
Local Walks
It goes without saying that there are many beautiful walks from the campsite, up Cader Idris, to Cregennan Lakes or down to the Mawddach Estuary for example.
Agricultural Shows & Sheep Dog Trials
A great day out and way to integrate with the farming community. 
Meirionydd County show is midweek at the end of August, Royal Welsh in Builth Wells definately worth a visit - last week in July, just a few examples of events held.
Coed y Brenin mountain bike centre, Ganllwyd. Fantastic bike ride along the old railway line cycle track to Barmouth. Bikes can be hired in Dolgellau.
Bwlchgwyn Farm Trekking Centre, Fairbourne.
Local Attractions and Ideas for days out
Centre for Alternative Technology, near Machynlleth.
Steam Railways at Fairbourne, Tywyn, Corris and Porthmadog. Also Cambrian Coast run a steam train from Machynlleth to Pwllheli. 
RSPB reserves at Ynys hir and the Glasfryn project near Porthmadog for Osprey watching.  Red kites in Southern Meirionydd.
King Arthur's Labrinyth and Craft Centres in Corris.
Zip world further to the north is a huge pull to the area- book early though to avoid disappointment.
Swimming Pools
Tywyn, Machynlleth, Harlech or Porthmadog.
Theatres & Cinemas
A very well run Cinema called the Magic Lantern in Tywyn which always puts on children's films during the holidays.  Theatr Fach in Dolgellau and the Dragon Theatre in Barmouth. Ty Siamas and Jazz Upstairs Dolgellau have great music nights.