Question: where exactly is the source of the river severn
Answer: Countries United Kingdom , ( Wales , England ) Regions Mid Wales , West Midlands , South West Counties Powys , Shropshire , Worcestershire , Gloucestershire Tributaries - left Vyrnwy , Tern , Stour , Warwickshire Avon , Bristol Avon - right Teme , Leadon , Wye Cities Shrewsbury , Worcester , Gloucester , Bristol Landmarks Ironbridge Gorge , Severn Valley , Severn bore , Severn crossing Source - location Plynlimon , Ceredigion , Wales - elevation 610 m ( 2,001 ft ) - coordinates 52 ° 29 ′ 36 '' N 3 ° 44 ′ 04 '' W ﻿ / ﻿ 52.