bagmati pradesh () is one of the seven provinces of nepal established by the constitution of nepal as of 20 september 2015. with hetauda as its provincial headquarter, the province is the home to the country's capital kathmandu, is mostly hilly and mountainous, and hosts mountain peaks including gaurishankar, langtang, jugal, and ganesh. the province covers an area of 20,300 km - about 14% of the country's total area, and has an altitude low enough to support deciduous, coniferous, and alpine forests and woodlands. temperature varies with altitude. rainfall takes place mainly during the summer.