File:1854 Sikkim map from Hooker's Himalayan Journals.jpg

Title on the map: Map of Sikkim and Easter Nepal by J. D. Hooker, Esq., M.D.R.N, F.R.S., Shewing His Routes (English miles)

Publication: Published by John Murray, Abernale Street, London. 1853.

Notes:

1. The ranges E. of Pundim & W. of the Lachen River have not been visited, nor the E. heads of G. Rungeet.
2. Bhomtso (Thibet) was well determined from bearings of K'junga. Dn 2 & Chumalari, but the summit of Donkiah was not recognized from any point near the heads of Lachen and Lachoong. The positiosn of the Snowy Peaks &c threreabouts may be 1 or 2 miles wrong in position.
3. The position Tukchawm also requires confirmation to 2 miles.
4. The route & positions from Tumloong to Cheadam are but approximates, owing to circumstances over which I had no control.
5. The country W. of Gipmochi, position of Yakla Pass, frontier of Sikkim S. of Chola and lower course of Teesta River are unknown.