Start in the morning in Emmetten to go up to Niederbauen Kulm. After arriving hike up to the summit. Admire the views and when you head down, stop over at the BBQ station, where you can have lunch. Wood is provided. Take the gondola back down and drive to Vitznau on the other side of the lake. Take the train up to the summit of Mt Rigi and hike down to Rigi Kaltbad. Enjoy sunset there and take after the train back down.