Is the Orne a long, tranquil river? Come and find out at dusk! One of our guides will accompany you on a 4 km trip down the river alongside the Thury-Harcourt Castle Park. These trips are open to anyone aged 8 and over who can swim. Duration: 3 hours, including 2 hours on the water. Booking required via the outdoor activity centre. Guided water tours organised by Thury Plein Air. (4 km / 3 hours) – Level 1