No, the Belvedere Palace gardens are completely free to access and open to the public.
No, The Kiss is housed inside the Upper Belvedere, which requires a paid entry ticket.
There’s no ticket exclusively for the Klimt collection, but the Upper Belvedere ticket includes access to his most important works.
Free admission is always available for under-19s. Adults may find special free-entry days around Austrian national holidays or museum events.
At least 1.5 hours for the Upper Belvedere; 3–4 hours if you're visiting multiple venues or enjoying the gardens too.
Upper Belvedere Palace Direct Entry Tickets
Combo (Save 8%): Direct Entry Tickets to Upper and Lower Belvedere Palace
Upper Belvedere Palace & Gardens Guided Tour with Direct Entry
Lower Belvedere Palace Direct Entry Tickets
Belvedere 21: Museum of Contemporary Art Direct Entry Tickets
Vienna City Card: Unlimited Public Transport & Discounts