There are several free campsites in Shikoku that you can consider visiting. Here are a few options:
1. Oboke Gorge Campsite: Located in the scenic Oboke Gorge area in Tokushima Prefecture, this campsite offers free camping with basic amenities like toilets, water, and fire pits.
2. Shimanto River Campsite: This campsite is located in Kochi Prefecture and offers free camping along the beautiful Shimanto River. The amenities are basic, but the location is perfect for nature lovers.
3. Kashiwajima Campsite: This campsite is located on Kashiwajima Island in Kochi Prefecture and offers free camping with basic amenities like toilets and water. The island is accessible via a bridge and is a great place for fishing and swimming.
4. Kamojima Campsite: This campsite is located in Ehime Prefecture and offers free camping with basic amenities like toilets and water. The location is perfect for those who want to explore the nearby Kamojima Hot Springs.
5. Uwajima City Campsite: This campsite is located in Uwajima City in Ehime Prefecture and offers free camping with basic amenities like toilets and water. The location is perfect for those who want to explore the nearby Uwajima Castle and other historical sites.
It's important to note that some of these campsites may require reservations or have limited availability, so it's best to check in advance before planning your trip.