From 25th June until the end of September 2018 these two Sirmione sites will be open to tourists every day of the week.
In addition to its normal opening hours it will also be possible to visit the Grotte di Catullo archaeology area on Tuesdays, too, from 10 a.m. to 6 p.m. and Castello Scaligero on Mondays too from 9 a.m. to 1 p.m.
Tickets for both sites can be bought up to 45 minutes before closing time in the normal way. Costs can be viewed on the Grotte and Castello webpages.
Remember that entrance is free on the first Sunday of the month.