All hiking trails from Kandersteg to the lake are officially closed but hikable in the shoulder season (according to weather and snow conditions).
Cable Car & Mountain coaster
All facilities are closed from mid march till mid may. During this period no touristic infrastructur will be availabe such as navigation signs, restaurants or WC. Cable car and the mountain coster are closed due to maintaincance works. The actual opening times would be found here.
All trails have to be maintained after the winter (bridges, signals, track works and safety works). All tracks are officially closed until mid of May.
Car access is forbidden by law, as well in the shoulder season. Do not try to drive up to the lake (narrow & steep road).