The outflow from Llyn Eigiau is called Afon Porth-llwyd , and this flows via Coedty reservoir before passing under Pont Newydd in Dolgarrog .
DET NOUN ADP PROPN PROPN AUX VERB PROPN PROPN , CCONJ DET VERB ADP PROPN NOUN ADP VERB ADP PROPN PROPN ADP PROPN .