There could be a variety of reasons why a guy might want to go hiking with you. It could be that he enjoys hiking and wants to share that activity with you. It could also be that he wants to spend time with you and thinks that a hike would be a fun and unique way to do that. It's also possible that he sees the hike as an opportunity to get to know you better and spend quality time together. Hiking can be a great way to have a meaningful conversation and learn more about each other in a natural and relaxed setting. Ultimately, the best way to understand why a guy wants to go hiking with you is to ask him. He might be able to better articulate his motivations and intentions. It's always a good idea to communicate and make sure that you're both on the same page before going on any kind of date or outing.