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Welcome to Byw’n Iach Arfon, Caernarfon

Byw’n Iach Arfon has two on-site facilities, commonly known as the Leisure Centre and the Tennis Centre. Both offer a range of fitness activities and classes.

Swimming is an important part of what we offer. With a 25 metre Swimming Pool and a Smaller Swimming Pool. We offer swimming lessons for children and adults.

We offer a great range of fitness classes. All designed to help you keep fit and healthy. We have something for all abilities, from those who want intensive work, to those who want to lose a bit of weight.

We also have a Fitness Suite with a variety of Pulse fitness machines, bikes and free weights. Our functional fitness area includes a wide range of lifting equipment and Olympic weightlifting stations.

Find our centre

Ffordd Bethel,
Caernarfon,
Gwynedd
LL55 1DU

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Latest customer notices

There will be changes to the timetables and opening hours of Byw’n Iach centres over the Christmas period – Check the website before arriving to avoid disappointment.

Only x2 lanes will be available between 08:30-09:00 for the Thursday, 18/12/25, lane swimming session.

– Lowri’s yoga sessions will be cancelled between the 17/12/25-05/01/26
– Tillie’s yoga sessions will be cancelled between the 18/12/25-12/01/26
– Lowri’s session will also be cancelled on the 12/01/26, 15/01/26 + 18/01/25

Apologies for any inconvenience.

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Babi Actif

Early years with parents,
and pregnant mothers

Plant Actif

Primary aged children
and their parents

Pobl Ifanc Actif

Young people aged
between 11 – 24

Gall Genod

Women and girls
of all ages

Actif Am Oes

Low intensity fitness
and sports for all ages