If you want to add a little more culture to your escape, put Ullen Sentalu Museum on your list. Check if there are any guided tours or just wander around at your leisure.
If you're spending a while in Pakem, Ullen Sentalu Museum is a great place to start your exploring. This museum is one of many attractions that'll keep you busy here. Mount Merapi, Gunung Merapi National Park, and Merapi Golf Course are also waiting for you close by.