I see your point, but I live in Croatia near Slovene border, frequently visit the country, speak Slovene to some extent, and Triglav was the highest point of our mutual country called Yugoslavia. Yet, I hardly recall anybody calling it 'Mount Triglav' ('Gora Triglav' would be Slovene translation). We call it just Triglav, what can be roughly translated as 'three headed' (name comes from the mountain having three prominent peaks), and was referenced as such in many literally works, and names of Slovene companies and sport clubs.
I also attempted to write 'Monte Titano' (full Italian name of San Marino's highest point) to no avail.
Anyway, I scanned some of your quizzes and there are some great ideas, I'd just suggest you to allow people guessing some peaks/points they know without typing the word 'mount' (especially since it's not referred as 'mount' in most local languages).
For Example "Mont Blanc" without "mont" doesn't mean nothing.
By the way thanks for the comment, now I can make the quiz better!
I also attempted to write 'Monte Titano' (full Italian name of San Marino's highest point) to no avail.
Anyway, I scanned some of your quizzes and there are some great ideas, I'd just suggest you to allow people guessing some peaks/points they know without typing the word 'mount' (especially since it's not referred as 'mount' in most local languages).