Stage 4 of the 2025 Tour of Guangxi is a medium mountain stage that will take place on .

The stage starts in 巴马镇 and finishes in 金城江区, starting at with an expected finish at (average speed of km/h).

The total distance of the stage is 181.8 km. The stage includes 0 categorized climb(s) and 0 intermediate sprint(s), and has a total elevation gain of 2274 m, and a total descent of -2304 m.