steps by the information panels (5 m) to the upper part of the
fortress, where you meet a road (2min) (25 m), which you follow uphill to the right. Almost immediately you
encounter signs. Keep right for "Fuerte de San Carlos". The road with a
sign for "Fuerte del Mazo", pointing to the left, is your return
route. You see the
Laredo stretching out to the
bay of Santoņa.
The road turns into a stony track with blue waymarks (7min) (50 m).
You walk through a forest with strawberry trees to the first lookout
point (26min) (190 m). The
pinnacle of Peņa de Fraile protrudes from a
projecting rock hanging above the sea. Across the cove you see a number
Ignore the path with a white-red waymark forking off left
(38min) (215 m) and continue straight ahead to a
crossroads with signposts (43min) (195 m). Follow the "Faro del Caballo"
sign down to the right. By a sign pointing right for "Bateria de San
Felipe" you keep ahead to sheer stone
into the rock wall and bordered by a railing
(46min) (185 m). Soon you see a
from the sea and a turquoise blue cove. Once you have reached the
narrowest part of the point, a low stonewall borders the steps on both
sides. After descending 700 steps, you come to the light house of Caballo (1h) (30 m). There are still 100 steps more, if you want to
walk down to the seashore.
From the light house you enjoy splendid views to the
Scramble back up (1h18min) and visit the "Bateria de San Felipe", a
nice lookout spot just over the
light house, before returning back to
the crossroads (1h26min), where you take the wide path to the right for
"Faro del Pescador". Ignore all side paths and follow the blue waymarks,
which lead you later uphill to a narrower path (1h46min) (100 m). After a while, the path starts to
descend again. The steep stretch ends by the
sea spreading out on your
right (2h) (85 m). Below you see the
light house of Pescador, still in
The path comes to the service road of the light house (2h04min) (50 m). Follow this narrow asphalt road to the left. Lined by eucalyptus and
oak trees the road bends left and opens up a fine view over the coast
and beaches of Berria (2h20min) (110 m). Later you see a
the impressive penitentiary of Penal del Dueso, established by Napoleon
to serve as a fortress. When the road forks (2h32min) (55 m), bear left.
The right branch would take you to the "Bateria de la Cueva", which you
can visit before you continue on the route.
In the village of Dueso, you fork right downhill (2h33min) (55 m).
In a couple of minutes, the sign for "Fuerte del Mazo" guides you to the
left (2h35min) (50 m). The beautiful cobbled road, lined by stone walls,
ascends to a fork (2h41min) (85 m), where you go right. On your way,
fine views open up to the coast and the mountains of La Atalaya, Peņa
Ganzo and Buciero. Surrounded by green slopes and tall eucalyptus trees
the road leads to a junction (2h53min) (145 m). On your right stands the
fortress of Mazo. If you follow the stone wall of Mazo to its end, you
can have a nice sea view over the
village of Dueso and the Penal del Dueso
(2h57min) (155 m), before you continue from
the junction for "Fuerte de San Martín".
Descending along the road you ignore the path branching off right and
the road branching off left. Further on, you see the
cove of Santoņa.
At the familiar junction (3h24min) (25 m) you turn right and take the
steps down to the
Fuerte de San Martín (3h27min).