Yes, you can follow a 1.7 km designated route in the Arboretum, or head out by yourself on one of the numerous walking paths. Or, walk in the woods that surround the park.
Cycling is permitted on the cycle paths dotted around the Open-Air Museum, following the cycle junctions. Be sure to give Cycling Through Water a go! Cycling is not permitted in the central section of Bokrijk, the Open-Air Museum or the arboretum.