Olkhon Gate (Russian: Ольхонские Ворота, Olkhonskie Vorota) is a strait of Lake Baikal, Russia.
It separates the south-west of Olkhon Island from the western shore of Baikal.
The banks of the strait are mostly steep and precipitous, the shoreline is a rugged with long narrow capes and bays.
In the middle part of the strait the ferry "Sakhyurta (MRS) — Olkhon Island" operates from 15 May to 15 December.
In 2005 a high-voltage underwater cable was laid at the bottom of the strait, providing Olkhon island with electricity.