Holiday cottage · Indoor poolGlan Hirfaen
Porthmadog, North WalesHoliday cottage
Best for
- Swimming whatever the weather (indoor pool)
- A trip with the dog (dogs allowed)
Not for
- Swimmers who need the pool length before booking (not yet checked)
Indoor poolPorthmadog, North WalesHoliday cottage

Photo: Booking.com
Where details are marked 'Not yet checked', we only show what we know for certain: whether there's a pool and whether it's indoor or outdoor.
Glasyln 37 in Porthmadog is a holiday cottage with an indoor swimming pool.
We have not yet checked the length, water temperature or swim times of this pool. Until we have, the Pool Card shows them as not yet checked.
Dogs are allowed. It has a guest rating of 8.0/10 from 1 review.
Room prices change daily and come live from our booking partner, so we don't publish them here.
The map loads from OpenStreetMap when you ask for it.
Yes. Glasyln 37 has an indoor swimming pool.
Yes, dogs are allowed at Glasyln 37. Pools themselves are not normally open to dogs, so ask about the pool area.
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Listing data updated 29 September 2026. Pool details show the date they were checked. How we check pools · Affiliate disclosure
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