GJ 3379 (Giclas 99-49) is the nearest star in the Orion constellation, located at a distance of 17 light years from the Sun based on parallax.

It is positioned in the upper left part of the Orion constellation, to the SSE of Betelgeuse.

[5] In the past, this star had a relatively close encounter with the Solar System.

Some 161,000±6,000 years ago, it achieved a minimum distance of 4.08 ± 0.20 ly (1.25 ± 0.06 pc).

[4] This is a very active[11] star that varies in brightness with an amplitude of 0.0074±0.0029 magnitude, modulated by a rapid rotation period of 1.8 days.