On May 13, Queen Maxima paid a working visit to Scouting Estate Zeewolde. The visit focused on the activities of water scouting and projects in the field of sustainability. Scouting Estate Zeewolde is located in the Horsterwold nature reserve, on the banks of the Nuldernauw. Scouts and non-scouts camp on the site on sheltered camping fields inside the dike in the forest or outside the dike on the water. On 13 June 2015, Scouting Estate Zeewolde was opened by Queen Maxima, patroness of Scouting.