tunnels

A bicycle parked in the archway of a small tunnel through a rocky outcropping.

A view down a road ending in a twin tunnel under a hill in the distance.

A bicycle is parked just beyond the badly weeded-over entrance to a side-path for pedestrians and bicycles leading to a tunnel. In the foreground, a rut in the mud at the entrance left by the bicycle is visible.

A blurry image of the back end of a cargo bike with the bright light at the end of a tunnel behind.

A loaded cargo bike parked in a narrow paved pathway, with a steep stonework embankment on its right. The entrance to a tunnel under the embankment is to the right, and there is a sign to the left of the path with arrows indicating destinations Sanage (猿投) straight on, and Asuke (足助) and Chikaraishi (力石) to the right through the tunnel.

A narrow tunnel with a stonework arch through a stonework embankment. Beside the tunnel a sign reads: “Special caution: sexual assaults are common in this area!” この付近・チカン多発！！・特別警戒中 Above there is another sign reading “Protection zone” みまもりゾーン

The mouth of a relatively short tunnel through a mountain, with light visible at the far end.