In this route, you can visit not only Onioshidashien (Mt. Asama Magma Stone Park) but also Kanbara Kannon-Do. So you can feel and learn the impact of eruption of Mt. Asama. 

On the way to Onioshidashien, you will bike while enjoying the view of Mt. Asama right in front. In addition, during the cabbage harvest season in summer (normally from mid-June to October), you can also see the cabbage fields that produce the largest amount of  summer / autumn cabbage in Japan.