Lake Como is a stunning destination with plenty to see and do. Here's an ideal itinerary for 3 days in Lake Como, Italy:

Day 1:

• Start your day with a leisurely breakfast at your hotel or a local café.
• Take a stroll along the lakefront promenade in the charming town of Como.
• Visit the impressive Como Cathedral, a beautiful example of Gothic architecture.
• Take a funicular ride up to the top of Brunate for breathtaking views of the lake and surrounding mountains.
• Enjoy a delicious lunch at one of the many restaurants in Brunate.
• In the afternoon, take a boat tour of the lake to see the stunning villas and gardens that line the shores.
• End your day with a relaxing dinner at a lakeside restaurant.

Day 2:

• Start your day with a visit to the picturesque town of Bellagio, known as the "pearl of Lake Como".
• Explore the narrow streets and alleys of the town, and visit the beautiful Villa Melzi gardens.
• Take a ferry to the charming town of Varenna, where you can enjoy a delicious lunch at a local restaurant.
• Visit the stunning Villa Monastero, a beautiful villa with botanical gardens overlooking the lake.
• In the evening, head back to Bellagio for a romantic dinner at one of the many lakeside restaurants.

Day 3:

• Start your day with a visit to the stunning Villa Carlotta in Tremezzo, known for its beautiful gardens and art collection.
• Take a ferry to the town of Menaggio, where you can enjoy a leisurely lunch at a local restaurant.
• Visit the beautiful Villa Vigoni, a stunning villa with beautiful gardens and views of the lake.
• In the evening, head back to Como for a farewell dinner at a local restaurant.

Overall, this itinerary will give you a taste of the beauty and charm of Lake Como, while also allowing you to relax and enjoy the stunning scenery.