This page keeps the useful family intent of the historical article while removing dubious facility claims. These are types of places and trip combinations worth considering, with current local information to be checked before travelling.
COAST
Pair lunch with a beach day
Southern Finistère, Carnac and other established beach areas make it easy to combine sand, a walk and lunch outdoors. Brittany Tourism specifically highlights picnic opportunities around the Beg-Meil and Mousterlin coast.
ON TWO WHEELS
Greenways make natural picnic routes
Brittany Tourism notes picnic tables and stopping facilities on family greenway sections. A short traffic-free ride with lunch halfway can be a better family day than planning a long cycling stage.
BE RESPONSIBLE
Check the rules where you stop
Use designated areas where provided, take rubbish away, respect dunes and protected habitats, and check local restrictions on fires, barbecues and access.