Pfeffikon is a former municipality in the district of Sursee in the canton of Lucerne in Switzerland. On 1 January 2013 the former municipality of Pfeffikon merged into the municipality of Rickenbach.

The Wyna is a river located mostly in canton of Aargau, but also in canton of Lucerne, Switzerland and runs through the Wynetal. It is a tributary of the Suhre. The Wyna is 32 km long. Larger towns in Wynetal are Beromünster, Menziken, Reinach (AG) and Gränichen.