Yn ogystal â dod yn gyrchfannau yn eu rhinwedd eu hunain, mae gan Byrth Darganfod gyfle gwych i adrodd straeon y Cymoedd ac annog pobl leol ac ymwelwyr i grwydro o gwmpas ardaloedd cyfagos, gan gynnwys trefi a phentrefi lleol, a'r dirwedd ehangach.
As well as becoming destinations in their own right, Discovery Gateways have a great opportunity to tell the stories of the Valleys and encourage local people and visitors to explore the surrounding areas, including local towns and villages, and the wider landscape.