noun
gentle slope; easy slope
Refers to a slope that is not steep; often used in skiing, hiking, or geographical contexts.
このスキー場には緩斜面が多いので、初心者でも安心です。
This ski resort has many gentle slopes, so even beginners can feel safe.
緩斜面をゆっくり登っていくと、頂上に着いた。
We climbed the gentle slope slowly and reached the top.