One of the most interesting places on this hiking route is the Bernia Castle, which although today and after centuries of poor conservation its state is quite dilapidated, it's full of interesting history.
The Fort of Bernia, which watches over the bay of Altea, was a small military fortress built in 1562 by order of King Felipe II, with the main objective of being a deterrent to possible revolts by the large Moorish population that lived along the region, in addition to guarding the coast from attacks by Berbers pirates.
The bastion had a permanent garrison of 55 soldiers, as well as a second lieutenant, a chaplain, a mayor and an artilleryman, and had an infirmary, a slaughterhouse, a torture room, a moat, houses for the soldiers and their wives, a powder keg and warehouses for wine and flour.
There is evidence that the garrison defended the coast from many attacks, including: six galliots by the Ottoman Albanian commander Arnaut Mami, the expulsion of the Ottoman corsair Morato Arráez and various attacks by other corsairs.
In 1609 and after the overwhelming victory of the Invincible Infantry of the Tercios of Naples and Sicily of King Felipe III (in which 5,000 infantrymen faced 17,000 Moors in the Battle of the Green Horse), the Moors were expelled from the Iberian Peninsula and the fort was dismantled by order of the king.
I'm sharing with you now two YouTube Shorts related.
The last great slope before the Bernia stronghold already gives you nice views:
Exploring the bulwark:
(Audio of the video in Spanish).
Video recorded with a GoPro Hero 8.
YouTube shorts recorded with my Samsung Galaxy S20 Ultra 5G camera.
Photographs are screenshots taken from my videos.
Screenshot of the route taken from Wikiloc.
Sources on which I relied to give some accurate info about the mountain range formation and the Miocene: (1), (2)