Mahtosh is a village in Gadarpur tehsil in district of Udham Singh Nagar, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Mahtosh was 3,360 which includes 1,751 males and 1,609 females. Mahtosh covers 206.1 ha area. Pincode of Mahtosh is 263152.