Tenby Castle offers an atmospheric exploration of medieval ruins atop a picturesque headland, providing breathtaking panoramic views over Tenby's harbour and beaches. As an open-air site, it's freely accessible year-round, though best enjoyed during drier, warmer months (spring to autumn) for optimal views. A visit typically lasts 30-60 minutes, perfect for a solo exploration or a leisurely stop during a town walk; guided tours are not standard for the ruins themselves. While the immediate site is generally accessible on foot, some uneven terrain means it's not fully wheelchair-friendly. The main appeal lies in its historical ambiance and stunning photographic opportunities, particularly at sunset.