Himalayas are rugged foothills  carved into deep gorges and ravines by uncountable streams and the descent of the five rivers the Sutlej, Beas, Ravi, Chenab and Jhelum. The Kullu Valley in HimachalPradesh and the Valley of Kashmir are both Himalayan valleys, as is the Kathmandu Valley in Nepal. The final southern range of the Himalayas, the Shiwalik Hills, ends abruptly in the great northern plains of India. The season for trekking is rather short due to climatic conditions. The passes are difficult to trek, as they remain covered with snow during most of the year. June to mid September are the months when trekking is possible in most of the trekking regions in India.ugh advanced in towns and cities to some extent women in the very remote and interior areas of HIMALAYAS remain the same as that of 100 years ago.