Only a small part of the upper reaches of one of the creek's southernmost tributaries extends outside the park boundary.

The survey party had been forced to relocate their camp adjacent to this creek because of a mother grizzly bear and two curious cubs.

[1] Tadekho Creek originates on the slopes of Kuno Peak in the Spectrum Range, about 38 km (24 mi) south of Mount Edziza.

[11] Flowing generally northwest, Tadekho Creek receives numerous small tributaries and one large but unnamed tributary that originates from the vicinity of Yeda Peak and flows north of Kuno Peak and Outcast Hill.

[12][4] Tadekho Creek's watershed is within the southern part of the Mount Edziza volcanic complex.