Pajulahden Seikkailupuisto is located in the Nastola district of Lahti, about 20 km from Lahti towards Kouvola. Measured by number of obstacles, Pajulahti is Finland's biggest adventure park: 14 main courses and two practice courses combine 177 different challenges over a 2.4 km route. The courses include two 125-metre zip lines, a barrel bridge, monkey bars and two dedicated children's courses. Over-6s at least 120 cm tall can take on the adult courses independently, with the kids' courses aimed at over-5s at least 100 cm tall. The Pajulahti sports institute provides on-site accommodation.