The Valmiki Tiger Reserve forms the eastern most limit of the Himalayan Terai forest in India. Situated in the Gangetic Plains bio-geographic zone of the country, the forest has combination of bhabar and terai tracts. Forming central part of the reserve is Gobardhana Range. It has Someshwar Hill Range and Dun Hill system with knife – edge ridges and precipitous slopes, cliffs, spurs, gorges, narrow valleys providing picturesque images.

Singha, Dhonghi, Ganguli, Dhoram are full of youth and verve. Their cascades in wanton and wayward playfulness while descending from hills ridges and gorges are enchanting. Meeting the planes they slowly mature to serene grandeur.

The peaks of Someshwar hills overlooking India and Nepal through awful and mesmerizing gorges tearing through the Terai hills. The visible layers of sedimentary rock formation at Parewa Deh water fall provide a life time experience for any visitor. There is also Someshwar Temple atop Someshwar peak of mythical fame.

 The dense and deep pockets of forest in the oblong section of Someshwar Block from Gabardhana to Dhumatanr – Jasauli provide for a very adventurous safari experience.