The River Geirionydd () is a river in

Snowdonia Snowdonia, or Eryri (), is a mountainous region and National parks of the United Kingdom, national park in North Wales. It contains all 15 mountains in Wales Welsh 3000s, over 3000 feet high, including the country's highest, Snowdon (), which i ...

North Wales North Wales ( ) is a Regions of Wales, region of Wales, encompassing its northernmost areas. It borders mid Wales to the south, England to the east, and the Irish Sea to the north and west. The area is highly mountainous and rural, with Snowdon ...

. It is a tributary of the

River Crafnant is a tributary of the River Conwy, which is the main river of the Conwy valley in north-west Wales. It flows from picturesque Llyn Crafnant, joining the river Conwy at Trefriw. It is about in length. The river Geirionydd is a tributary ...

(''Afon Crafnant''), which flows over the Fairy Falls waterfall in

Trefriw Trefriw () is a village and community in Conwy County Borough, Wales. It lies on the river Crafnant a few miles south of the site of the Roman fort of Canovium, sited at Caerhun. At the last three censuses, the population of the community ha ...

, and thence on into the

River Conwy The River Conwy (; ) is a river in north Wales. From its source to its discharge in Conwy Bay it is long and drains an area of 678 square km. "Conwy" was formerly anglicised as "Conway." The name 'Conwy' derives from the old Welsh words ''c ...

(''Afon Conwy''), which is the main river of the

Conwy valley The River Conwy (; ) is a river in north Wales. From its source to its discharge in Conwy Bay it is long and drains an area of 678 square km. "Conwy" was formerly anglicised as "Conway." The name 'Conwy' derives from the old Welsh words ''c ...

. It flows from

Llyn Geirionydd Llyn Geirionydd lies in a valley in North Wales where the northern edge of the Gwydyr Forest meets the lower slopes of the Carneddau mountains. The lake is almost a mile long and covers an area of , but is never any deeper than according to ...

down a steep

gorge A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tend ...

before joining the river Crafnant. It is less than a mile in length. The river passes the former Klondyke mill, which used its waters. Klondyke was a mining and milling complex connected with some of the metal mines of the

Gwydir Forest Gwydir Forest, also spelled Gwydyr, is located in Conwy County Borough and the Snowdonia National Park in Wales. It takes its name from the ancient Gwydir Estate, established by the John Wynn family of Gwydir Castle, which owned this area. N ...

by means of an old tramway which ran alongside Llyn Geirionydd. From above the mill wagons used to enter the building via an

aerial ropeway A material ropeway, ropeway conveyor (or aerial tramway in the US) is a subtype of gondola lift, from which containers for goods rather than passenger cars are suspended. Description Material ropeways are typically found around large mining co ...

. The Welsh language poet, clergyman, antiquary and literary critic Evan Evans (, 1795–1855) was born on a freehold on banks of the river. Klondyke Lead Mine Ruins - geograph

References

River Geirionydd The River Geirionydd () is a river in Snowdonia, North Wales. It is a tributary of the River Crafnant (''Afon Crafnant''), which flows over the Fairy Falls waterfall in Trefriw, and thence on into the River Conwy (''Afon Conwy''), which is th ...

Rivers of Conwy County Borough Rivers of Snowdonia {{Wales-river-stub