Chappal Waddi, Mountain peak in Gashaka Gumti National Park, Nigeria and Cameroon.

Chappal Waddi is a mountain summit spanning across Gashaka Gumti National Park between Nigeria and Cameroon, representing the highest point in the country. The surrounding landscape features dense forests interspersed with grasslands and varies greatly from gentle slopes to steep rocky sections.

Chappal Waddi, known locally as Gang Peak, features in Mambilla mythology as the place where the plateau's harvests and fortunes were decided. It lies in Taraba State near the Cameroon border, on the edge of the Gashaka Gumti Forest Reserve and National Park, within the Bamenda-Alantika-Mandara chain.

The peak's indigenous name is Gang Peak, and Mambilla legend holds that good fortunes or poor harvests on the Mambilla Plateau were decided at Gang Mountain. It was also said to be the headquarters of ancient mythological organizations.

The peak lies in Taraba State on the Mambilla Plateau, at the edge of Gashaka Gumti National Park near the Cameroon border; access is through the park, so arrange entry and a local guide before setting out. The final climb reaches 2,419 m, and the plateau's wet-season rains make timing the ascent important.

Chappal Waddi is also called the Mountain of Death, and its indigenous Mambilla name is Gang Peak. Mambilla tradition holds that Gang Mountain was where good fortunes or poor harvests in the plateau's agricultural cycles were decided, and that it served as the headquarters of ancient mythological organizations.