Ghattadahalli is a village in Mudigere tehsil in district of Chikmagalur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Ghattadahalli was 255 which includes 126 males and 129 females. Ghattadahalli covers 168.53 ha area. Pincode of Ghattadahalli is 577550.