1) regarding the landscape from above from the mountain, in my opinion there is nothing remarkable, on the one hand there is a view of the port, on the other side to the beach. Yes, there are beautiful mountains in the distance, and a city below.
2) there is nothing architecturally remarkable at the top, but on the slopes and at the foot there is something to see, explore, and make a beautiful shot with the ruins.
Quite a hard climb up the mountain, tiring. Beautiful view of the sea from above, the city. There is nothing much to see on the mountain itself, part of a stone wall, a fence. If you just want to pass the time somewhere and have nothing to do, then you can visit. But don't wait for "wow" impressions