The three peaks of Yr Eifl: Garn For, Garn Ganol and
Yr Eifl is the highest point on the Llyn
Peninsula. There are three peaks - Tre'r Ceiri
(485m), Garn Ganol (564m) and Garn For (444m). Tre'r
Ceiri has one of the best examples of an Iron Age
hill fort in northern Europe.
Garn For has been extensively quarried and granite
from here has been used to pave streets in London
and as curling stones used in the Olympics.
The best place to start any walk on the hills of Yr
Eifl is on the road to Nant Gwrtheyrn. There is a
car park, just before the road starts to run
downhill towards the National Language and Heritage
From the car park, walk along the track you can
see working its way across the side of the hill and
you will come to Bwlch Yr Eifl, between Garn For
(with it's quarry) and Garn Ganol, the highest point
on the peninsula. From here you can choose whether
to do Garn For before continuing or just to go
straight and walk up Garn Ganol.
Walking up Garn For is quite tricky in a couple
of places, so be careful. Walk up around the radio
mast and then continue up to the cairn on the
The walk up to Garn Ganol is in three stages, the
first grassy slopes, then rocky, lumpy ground, and
finally steep loose rocky slopes near the summit.
Paths are sometimes a bit difficult to follow and
you may find you come down a different one than the
one in which you climbed up! The views are, needless
to say, spectacular from the top.
From the summit you can walk back down to the car
park or come the way you came. If you wish, you can
continue down to Tre'r Ceiri. The pathway takes you
through lots of heather and there are rocks under
foot so care is needed in places. Once to get to the
summit of Tre'r Ceiri you will notice that you are
surrounded by the iron age hill fort.
From Tre'r Ceiri a walk along the south-western
slopes of Yr Eifl will take you past Caergribin, a
large rock outcrop. Beyond this continue to the car
From the car park, you can walk straight up to
the summit of Garn Ganol (the highest peak) by
taking a path which branches off to the right at the
start of the track mentioned at the start above.
This path runs around the southern side of the hill
and, although it is still steep, is less rocky than
the other route until you reach the summit.