Two hills adorn Thirthahalli town. First one is Anandagiri Gudda and the second one is Siddeshwara Gudda. Anandagiri Gudda is located on Shimoga Road and Siddeshwara Gudda is located on Agumbe Road. Both are reachable by walk from the town. One can climb Anandagiri Gudda during any time of the year. Its height may be around 200 to 300 feet (60 to 90 m). There is large mantapa with a big doom on this hill. One can relax on this mantapa and can enjoy scenic beauty. Tunga College is on the base of this hill. For climbing Siddeshwara Hill, the preferred months are October and November. This hill is also about 200 feet in height. From the top of this hill, one will be able to see the other big hills of Shimoga District such as Kodachadri and Kundadri.