The stones here range from pebble-sized to fist-sized, shaped by centuries of wave action into smooth ovals. They click and rattle musically with each surge, a sound distinctly different from the hiss of sandy beaches. You'll need water shoes; the rocks shift underfoot, and walking barefoot becomes an exercise in careful balance. But once you're settled on a sun-warmed boulder above the tide line, the discomfort fades into the background.
“The acoustics of the rock walls create a resonant quality to the wave sounds found nowhere else along the Joetsu coast.”
Crystal lagoon with rocky outcrop
Seaweed clings to rocks at the waterline—thick brown kelp that releases a sharp, iodine smell in the heat. Crabs the size of your palm scuttle sideways into crevices when you approach. The water is noticeably colder here than at open beaches, fed by currents that sweep around the headlands, and exceptionally transparent. You can count fish swimming past your legs in waist-deep water, their scales catching sunlight in silver flashes.
The pine trees lean inland, their trunks twisted from decades of winter winds off the Sea of Japan. Their needles carpet the path in rust-colored drifts, releasing their resinous scent when crushed underfoot. Few people make the trek, especially on weekdays. You might share the cove with a solitary fisherman casting from the rocks, his line arcing out in long, practiced throws, or you might have it entirely to yourself—just the rhythm of waves reorganizing stones and the occasional cry of black-tailed gulls overhead.