"Stone" on Signal

There are more hills named Signal here. There are two in the Kladské Pomezí area alone. The more famous one is between Náchod and Hronov near Slavíkov and has a lookout tower on it. The second can be found above the settlement of Řeřišný near Machova and is part of the Polická Stěna NPP. The peak itself (or several peaks) is officially inaccessible to ordinary citizens. In the NPP, it is forbidden to move outside the marked hiking trails. It only leads here...