If you want to ski down the mountainside, you'll need to get to the top of it first. Hop on Gummi Ski Lift and enjoy the ride up.
You'll soon find out why this Grindelwald mountainside transportation system is visited by many travelers. If you're searching for more to see and do here, Jungfraujoch, Eiger, and Trummelbach Falls are in the area as well. They won't take you long to reach from Gummi Ski Lift.