Severobaikalsk is a city (from 1980) in the Republic of Buryatia of the Russian Federation. The city of Severobaykalsk is the largest populated locality on the shore of Lake Baikal.

Severobaikalsk stretches along the northern coast of Lake Baikal, 440 km away from Ulan-Ude, and 500 km away from Irkutsk. The mouth of River Tyia is located near the city .

Severobaykalsk is located on one latitude with Moscow (55,37 NL). Its climate is sharply continental, however thanks to proximity of Lake Baikal is is much softer, than in the areas away from it. It is characterized with the prevalence of sunny low wind weather and relatively low air humidity. The Baikal area in the Republic of Buryatia stands out with its enormous aggregate duration of sunshine, which reaches upto 2524 hours and that it is more than in the Black Sea resorts. The average temperature is −20 … -25 °C in winter, and +20 … +25 °C in summer.

The history of Severobaykalsk is closely related to the Baikal-Amur Highway. The city was founded as one of the main points of the railway project.

The regional airport is located 25 km to the northeast from the city in the Settlement of Nizhneangarsk. There are regular flights to and from Ulan-Ude and Irkutsk. Twice a week a motor ship voyages along the route Nizhneangarsk — Severobaykalsk — the Island of Olkhon — Baikal Port.