Visit the following places from Betws-y-Coed.

Trefriw Woollen Mills on the B5106
Trefriw Spa Waters on the B5106
Llanrwst Inigo Jones' Famous Bridge on the A470/B5106
Llanrwst Gwydyr Park.A470
Dolwyddelan Castle on the A 470
Blaenau Ffestiniog Slate Mines on the A 470
Capel Curig ( The National Centre for Mountaineering )
Capel Garmon 1 mile away. White Horse Inn , & Ancient Burial Chambers.
See The Snowdonia range of Mountains by Sherpa Bus
The Little Trains of Wales .Ffestiniog Railway .
The Famous Castles :Conwy, Caernarfon, Beaumaris ( Anglesey) & Harlech.

These are some ideas of local interest. Hope you enjoy them and come back again someday.