There are two options:
- Create one entry to cover the whole expedition and select an appropriate duration from the drop down menu. If you select 'Quality Mountain Day' from the drop down, make sure you explain in your description how many of the days were QMDs, along with all the usual details about where you went, whether you camped or stayed in a bothy and what you learned.
- Create individual entries for each day and group them together using the 'Expeditions' feature. Here are two videos to help: