The Tolovana River heads at junction of Livengood and Olive Creeks, then flows 117 miles southwest to Tanana River, 64 miles west of Fairbanks, Tanana Low. The stream had been given the Indian name "Nilkoka" by W. J. Peters and A. H. Brooks in 1898 (USGS).
<nowiki>Tolovana; Tolovana; Tolovana River; Tolovana River; Tolovana; Tolovana River; río de Estados Unidos; cours d'eau d'Alaska, États-Unis; נהר; rivier in de Verenigde Staten; Fluss in Alaska; річка в Сполучених Штатах Америки; stream in Alaska; գետ ԱՄՆ֊ում; abhainn sna Stáit Aontaithe; نهر في الولايات المتحدة الأمريكية</nowiki>