It is found in the eastern Democratic Republic of the Congo, from northwest of Mount Rwenzori, south to west of Lake Kivu, extending into extreme south-western Uganda in the Bwindi Forest.

A light, brief, broad dorsolateral stripe is sometimes present, occasionally extending further back than the shoulder region.

[3][4] The male advertisement call is a brief, hard buzzing that is repeated two–three times.

[3][4] Hyperolius frontalis occurs in lowland and montane forest at elevations of 700–2,000 m (2,300–6,600 ft) above sea level.

It is threatened by habitat loss caused by agriculture activities, wood extraction, and expanding human settlements.