There are plenty of great places to swim inland, although many rivers are quite polluted by the time they've reached a decent size. Swimming in mountain streams can be very pleasant when the weather is warm...
There are plenty of great places to swim inland, although many rivers are quite polluted by the time they've reached a decent size. Swimming in mountain streams can be very pleasant when the weather is warm. There are no dangerous parasites in still waters (watch out for leeches, though) and lakes and reservoirs abound.