Křemešník is a mountain in the municipality of Nový Rychnov in the Vysočina Region of the Czech Republic.

With an elevation of 769 metres (2,523 ft) above sea level, it is the highest mountain of the Křemešník Highlands.

A small but unfinished romantic-style villa-castelet Větrný zámek from 1930 lies next to the church.

The sculptor Josef Šejnost created a coin museum at the Windmill House in the town in 1939.

There is a infrastructure for tourism including a hotel, ski-lift and tourist pathway.