The Beach Guide

Morfa Bychan - Black Rock Sands

Morfa Bychan, known locally as Black Rock Sands, is a sandy beach, with rocky areas- although the rocks aren’t actually black.  The beach stretches for about 2 miles and is backed by a dune system which has been designated a Site of Special Scientific Interest.  There are plenty of rockpools to explore here as well as some interesting caverns.

A river mouth lies at the south-eastern end of the beach, and the village of Morfa Bychan is a few hundred meters away. The beach has lovely views of the mountains and countryside of Snowdonia National Park.

A slipway provides vehicular access to the sands and most visitors park on the beach, making it a popular picnic destination and providing easy access for those with mobility problems. There are designated bathing and boat launching areas. Dogs are banned from the central section of the beach, but are allowed on the eastern and western sections.

There are a number of holiday parks in the area surrounding the beach. In the village of Morfa Bychan there are shops, places to eat and a golf club. There are more facilities in the town of Porthmadog, about 2 miles from the beach.

Type of beach


Lifeguard service


Dogs friendly beach?

Dogs allowed

Dogs are not allowed on the northern end of the beach between 1st April and 30th September. The rest of this considerable stretch of beach is dog friendly year round.

Gwynedd dog friendly beaches »


  • Slipway

Nearest town



LL49 9YB

OS grid ref.

SH 5291 3722


Blue Flag Award

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Morfa Bychan - Black Rock Sands Reviews

Possibly the worst beach I have ever been to.

Aug 26th 2019

Maybe when it’s quieter it is ok.
The beach on bank holiday weekend was a car park.
The sea is full of jellyfish and dodging them is a skill, however they don’t seem to sting.
Dodging the 1994 Ford Orion that was driving Into the sea was a little more tricky. Circling their 5-7 yr old child not particularly looking at anything else but their child demonstrated what doting parents they were.
Quickly left whilst still time to find another dog friendly beach.

What did we get wrong?