The Sikkim Treecreeper is marked by pale spots on its brown back and an orange-brown rump. In China, it occurs in southern Tibet and breeds in subtropical forests.
Its brown upperparts have buff and white streaks, spots, and mottling, with an orange-brown rump. The throat and upper breast are brownish gray, the belly is paler, and the lower belly and undertail are cinnamon-buff.
In southern Tibet, it breeds in subtropical broadleaf and mixed forests up to about 2,800 m.
An extinction-risk assessment has not been added yet.