The estate surrounding the castle covers more than NUMBER@1 acres -LRB- NUMBER@2 km ² -RRB- and , in addition to the garden containing lush gardens and walking trails , produces several cash crops including lumber and beef .

The estate -LRB- the castle 's land -RRB- covers more than NUMBER@1 acres -LRB- NUMBER@2 km ² -RRB- .
