Take the boat from Luzern to Alpnachstad, then ride the steepest cogwheel railway to the summit for panoramic views. Open 8am-5pm. Return by aerial gondola and bus.
Take a 30-minute train to Grindelwald to explore this stunning mountain village. Consider hiking or visiting the First Cliff Walk by Tissot, open 9am-5pm.
Take the train from Interlaken Ost to Jungfraujoch via Lauterbrunnen and Kleine Scheidegg. The trip offers stunning Alpine views, arriving around 10am. Train open all day till 4pm for return. Round trip approx 4-5 hours.