peak season
US /piːk ˈsiː.zən/
UK /piːk ˈsiː.zən/

1.
alta stagione
the time of year when a particular holiday destination or type of business is busiest and most popular
:
•
Traveling during peak season can be very expensive.
Viaggiare durante l'alta stagione può essere molto costoso.
•
Hotels are usually fully booked during peak season.
Gli hotel sono solitamente al completo durante l'alta stagione.