If you have a week to spend in Three Rivers, there are plenty of things to see and do.
Here are some suggestions:
1. Visit the Harry Potter Studio Tour - Allow at least 3 hours for this experience.
2. Go shopping at the intu Watford Shopping Centre - This could take a few hours or a whole day depending on how much shopping you want to do.
3. Take a walk in one of the beautiful parks in the area - Cassiobury Park or Rickmansworth Aquadrome are great options and can take anywhere from 1-3 hours.
4. Visit the historic St Albans Cathedral - Allow at least 2 hours for this visit.
5. Enjoy a show at the Watford Colosseum - The length of the show will vary, but most shows last around 2 hours.
As for places to stay, there are plenty of options including hotels and bed & breakfasts. Some popular options include The Grove, Manor House Hotel and The White Hart Hotel.