The Baikal Highway is a federal highway in Russia. Its official designation is federal highway R258 "Baikal" (Russian: Федеральная автомобильная дорога Р258 «Байкал»). It is part of the Trans-Siberian Highway and of the AH6 route of the Asian Highway Network. It is named after the Russian Lake Baikal.

Federal Highway R258
Федеральная автомобильная дорога Р258
Baikal Highway
Route information
Part of AH6
Length	1,113 km (692 mi)
Major junctions
West end	R 255 in Irkutsk
East end	R 297 in Chita
Location
Country	Russia
Highway system
Russian Federal Highways

The road has 296 bridges and no tunnels. There are no toll segments on the highway.