Suitilla or Suj Tilla East is a mountain peak in the Himalayas which is a part of the Kumaon division. It is located in the eastern part of Uttarakhand in the Pithoragarh district. It is situated above the junction of Kalabaland, Sankalp and Yankchar glaciers. Ralam Dhura pass which connects Ralam valley to Darma valley is situated in the south of this peak.

This peak has earned the sobriquet `peak of needles` because the peak is characterised by sharp ridges and cornices. Suj Tilla East is situated two hundred metres from Suj Tilla West. Perched at a height of 6,394 metres(20,978 feet) above mean sea level, Suj Tilla East is twenty metres higher than Suj Tilla West. The geographic cordinates of the peak is 30°19`48? North, 80°22`48? East.