Cooking pork loin in a crock pot is a great way to keep it moist and flavorful. Generally, you can season the pork, add some broth or your favorite marinade, and cook on low for 6-8 hours or high for 3-4 hours. Do you have a specific recipe in mind, or are you looking for some seasoning ideas? How do you typically like your pork loin seasoned or flavored?