It's not really suitable for young children as a couple of sections are on-road, although they are quiet country roads.
Expect one decent hill climb if doing the ride in either direction and make sure those brakes are working for the return trip.
Make sure you check out the circular pottery maps at the start and finish of each section.
Plenty of room for Piggy to go wild, so if you do the ride shortly, plan to return a few times, I know I am looking forward to it.
If walking a short steep option or a long flat one.
Cache is a 400ml systema, place place back carefully, it needs to be elevated.