Can you make a 5 days trekking itinerary in the Dolomites, starting and ending in Canazei?
Sure, I can provide you with a rough 5-day itinerary for trekking in the Dolomites starting and ending in Canazei:

Day 1: Arrival in Canazei, settle in, and explore the town.

Day 2: Take the cable car up to Pordoi Pass and hike to Rifugio Boè (2,871m) for spectacular views of the surrounding peaks. From there, continue on to Rifugio Fanes (2,060m) for an overnight stay.

Day 3: Hike from Rifugio Fanes to Rifugio Lagazuoi (2,752m), taking in the incredible views along the way.

Day 4: From Rifugio Lagazuoi, hike to the beautiful Lago di Sorapis (1,925m) and then on to Rifugio Vandelli (1,923m) for an overnight stay.

Day 5: Hike from Rifugio Vandelli to Cinque Torri (2,361m) and then back to Canazei.

It's important to note that this is just a rough itinerary and there are many other amazing routes and destinations in the Dolomites. Additionally, the difficulty level of the hikes can vary, so be sure to plan according to your skill level and physical abilities. It's also important to check weather conditions and trail conditions before embarking on any hikes.