The Dotonbori River was dug in 1612 by merchant Yasui Doton, who envisioned a commercial canal linking the city's textile warehouses to Osaka Bay. Doton died before the waterway opened, but the Tokugawa shogunate honored his vision by naming the canal after him. For three centuries the river served as a freight artery, ferrying rice bales and indigo dye between the port and the inland markets. The theaters arrived in the 1650s, drawn by the crowds that gathered along the embankments, and by the Meiji era Dotonbori had become the center of Osaka's kabuki and bunraku puppet tradition. The neon came later — Glico's running man first lit the south bank in 1935, and within two decades the riverfront had transformed into a corridor of electric signage that rivaled Tokyo's Ginza. Today the canal remains the heart of Minami, Osaka's southern entertainment district. The waterway runs 2.5 kilometers from Nippombashi to the Kizu River junction, passing beneath sixteen bridges and flanked by sixty-story digital billboards. The Glico sign still anchors the eastern end, now in its sixth iteration and fitted with LED panels that cycle through seasonal animations. At night the surface becomes a mirror for the surrounding towers — crab claws, pufferfish lanterns, and octopus tentacles reflected in the slow current. The canal's depth averages three meters, shallow enough that the low-slung cruise boats clear the bridge arches by less than a meter at high tide. Securing dotonbori river cruise tickets online allows you to bypass the walk-up queues at Tazaemonbashi Pier, where departures run every thirty minutes from late morning through evening. The standard loop takes twenty minutes and threads through the densest stretch of signage, narrated in Japanese with English subtitles on overhead monitors. Evening slots fill fastest, particularly during weekends and festival periods when the illumination reaches full intensity. The boats are open-air with low wooden benches, no canopy, designed to maximize sightline angles toward the vertical architecture. Winter sailings provide lap blankets; summer departures offer bottled water. The river's urban context means wildlife is sparse, but the human theater along the embankments — street performers, izakaya spill-out, tourists jockeying for selfie angles with the Glico runner — provides its own continuous spectacle. The cruise operates year-round, including rain, though typhoon warnings suspend service without advance notice.