Thechambu is a village development committee in the Himalayas of Taplejung District in the Province No. 1 of northeastern Nepal. At the time of the 1991 Nepal census it had a population of 3428 people living in 606 individual households. The main ethnics of Thechambu are Limbus of Menyangbo tribes and clans. Thachambu is known for oranges, lemons, and guava.