noun
gravel path; gravel road
Refers to a path, road, or lane surfaced with gravel. Common in rural or park settings.
この砂利道をまっすぐ行くと、神社に着きます。
If you go straight along this gravel path, you'll reach the shrine.
雨の日は砂利道がぬかるむので注意してください。
Be careful on rainy days because the gravel road gets muddy.
未舗装道路 is a general term for unpaved roads; 砂利道 specifically has a gravel surface.
Compound of 砂利 (じゃり, 'gravel') and 道 (みち, 'road, path').