A small road having an ecological path is provided to guide the preservation of an ecosystem in a mountainous area by being installed on an inclined small road of a mountainous area, and to prevent a vehicle or person moving along a small road from slipping using a projection. A small road having an ecological path includes many projections(110) projected upward from the top of a bottom structure(100) formed to support a vehicle or a passerby, and an ecological path(120) for small animals formed between the projection and the projection. The projections are projected at a height of 1~5mm from the top and installed in zigzags to form an ecological path in the advancing direction of a road and the road penetrating direction.
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