Rhayader is the nearest town to Glaslyn, with good local amenities.
The Elan Valley is a chain of reservoirs with a visitor centre, stunning scenery, wildlife and good walks and cycling, five miles from Glaslyn.
Builth Wells is one of the main towns of Mid Wales, 10 miles south of Glaslyn.
Llanidloes is another Welsh market town at the head of the river Severn, 12 miles from Glaslyn. In the area are a myriad of things to do.
General activities to be found in the area.
Cycling in Mid Wales.
Walking in Mid Wales.
Places to visit.
Fishing pages of the Environment Agency website.
Check the height of the river a few miles downstream of Glaslyn by webcam.