If you're looking for outdoor fun, pay a visit to Mount Inaba. No walk around the block, this hike is perfect for some mid-vacation exercise.
This steep landmass in Oyabe comes recommended by many travelers, so be sure to put it on your travel itinerary. However, don't end your sightseeing there. There are many more spots waiting for you to explore after Mount Inaba. Cross Land Oyabe, Fukuoka Camera Museum, and Ishikawa Forest Park are nearby.