Try trout or fly fishing on this site of nearly 3 hectares. You can also have lunch overlooking the pools and sample smoked eel or EXTRA fresh trout (fished while you watch). A lovely way to relax. Shop selling fish and other produce.
Canoe trips on the river Somme with pitched tents, sea kayaking in the Baie - check out what's on offer from Mary & Family. Short breaks, weekends with friends - this agency specialises in outdoor "nature" holidays. Why not give it a try?