The road from Kiyosu to Okehazama was never simply a journey. For Nobunaga it was the march on which he settled his own mind: victory, or death in the field. Enoki Hakusan Shrine sits quietly in the Oshikiri district of western Nagoya, on the line of the old Minoji highway, and tradition holds that he stopped here to pray for victory on the way south.

The shrine was founded in 1477, when Shiba Yoshikado — one of the powerful provincial governors of the Muromachi period, two generations before Nobunaga's world — brought the deity of Shirayama Hime Shrine in Kaga (present-day Ishikawa Prefecture) to this spot. For centuries local people knew it as Enoki Gongen. The enoki in the name is a hackberry tree: a single great tree once stood here and was worshipped as the shrine's sacred tree, and the name is all that is left of it. Today the shrine is folded into an ordinary postwar neighbourhood, and what survives is not grandeur but a particular texture — the tension of a man on his way to a battle he might not win, and the prayer he left behind.

There is a second layer worth knowing about. In the grounds stands Tajimamori Shrine, dedicated to the guardian deity of confectionery — a rare thing to find in Nagoya. A shrine where warriors prayed for victory and bakers pray for sweets is a very local kind of overlap, and it turns a five-minute stop into something more memorable.

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This is where the march takes its first deep breath. In the fifth month of 1560, having left Kiyosu Castle at a moment when nothing about the outcome was clear, Nobunaga is said to have stopped at Hioki Shrine, prayed for victory, and danced. The shrine sits on the southern edge of what was then the built-up area, on the road toward Atsuta, and it still holds the kind of stillness that suits an army waiting to assemble.

Hioki Shrine is identified with a shrine listed in the Engishiki, the imperial code compiled in 927 — meaning it was already old and officially recognised more than six hundred years before Nobunaga stood in it. Its principal deity, Ame-no-Futodama-no-Mikoto, presides over ritual itself. That is a fitting patron for what happened here: battles are not decided by blades alone, and what Nobunaga performed on this ground was less a request than a rite of departure — composing his own mind, drawing luck toward him, binding his men into one purpose.

Step through the gate and the traffic noise thins out; the approach draws your eye deep into the grounds. The buildings burned in the Nagoya air raids of 1945 and were rebuilt in 1958, so what stands is modern. The site is not.

South through the city, as the atmosphere of Atsuta thickens, Hojiji Temple offers a quieter kind of Sengoku site — no keep, no battlefield, but a place where Nobunaga's footsteps register more deeply for the lack of spectacle. Its origins go back to the Tencho era (824–834), when the monk Kukai, better known as Kobo Daishi and the founder of Shingon Buddhism in Japan, is said to have secluded himself at nearby Atsuta Jingu. In reverence for the legendary prince Yamato Takeru he carved a Jizo image himself and built a small hall on this spot.

What makes Hojiji more than an ordinary temple is what stands beside it: the Shiratori Tumulus, a keyhole-shaped burial mound long identified in tradition as the grave of Yamato Takeru, who according to legend returned after death in the form of a white bird. The temple took on the role of guarding the treasures of that tomb, and in early times was known as Hojiji written with the characters for "treasure-keeping." It was later revived as a Soto Zen temple and renamed to its present form during the Joo era (1652–1654).

And in the Sengoku period, tradition holds that Nobunaga stopped here too, on his way to Okehazama, to pray for victory. Not before a god of swords and spears, but in the shadow of an ancient hero and the compassion of a Jizo — a combination that captures both sides of him at once: the cold clarity of a man planning to win, and the nerve of a man going out to seize his luck. The grounds also hold a poem stone connected to the haiku master Matsuo Basho, and traces of the sumo stables that lodged here during the Nagoya grand tournament. War and culture share a wall in Atsuta.

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The Shiratorikaku hall at Hojiji sells goshuin — the calligraphed and stamped seals collected by visitors to temples and shrines — and has a meditation room with a video and a space set aside for sitting. It makes a genuinely good pause partway through the walk.

Of everywhere Nobunaga stopped on the way to Okehazama, Atsuta Jingu is the place where a decision hardens. It sits within Nagoya proper, and yet the air changes a step inside the gate. The deep woodland known as the Atsuta forest absorbs whatever noise the city sends into it, and it seems to settle even a commander's doubts.

What makes this more than a handsome shrine is the object at its heart. Atsuta Jingu enshrines Kusanagi-no-Tsurugi, one of the three Imperial Regalia of Japan — the sword, mirror and jewel that together symbolise the legitimacy of the imperial line. In tradition the sword came to rest here through the story of Yamato Takeru, and from then on the shrine drew the devotion of the imperial court and of warrior houses alike. It is, in other words, one of the most significant Shinto sites in the country, and it is on this route by accident of geography and by design of the man walking it.

Then comes 1560. Setting out for Okehazama, Nobunaga prayed here for victory — and after he won, he left proof. The Nobunaga-bei still standing in the grounds is a tsuiji-bei, a rammed-earth wall: earth and lime worked together with oil and bound with layer upon layer of roof tiles, built massively enough to survive nearly five centuries. He dedicated it in thanks for the victory. Atsuta Jingu is therefore a place where the depth of myth and the hard fact of a Sengoku battle sit inside the same grounds.

Before pushing on to Narumi and the forward forts, stop here. What the forest lets you feel is not the question of whether he could win, but the moment he worked out what he was prepared to give up in order to.

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This is the point on the march where the fighting starts. With the prayers at Atsuta behind him, the next place Nobunaga turned toward was not a sanctuary but an enemy stronghold. Narumi Castle was a key Imagawa position driven deep into southern Owari — a blade held at the throat of the Oda.

Narumi Castle dates to the Oei era (1394–1428) and is said to have been built by Yasuhara Munenori. During the Sengoku period Yamaguchi Noritsugu, an Oda retainer, defected to the Imagawa and handed it over; later Okabe Motonobu, a hereditary Imagawa commander, took charge and strengthened it further. For Nobunaga this was never just a castle. It was the device that turned the Imagawa advance into an immediate crisis and pulled the decisive battle into being.

The site is now Narumi Castle Ruins Park, and nothing dramatic survives — no keep, no imposing stonework. But stand on this high ground and you notice at once how far you can see across the surrounding streets. The absence of ruins is what makes the place work: with nothing to look at, you are left to work out for yourself why Nobunaga judged that he could not leave this castle alone, and what it cost him to push into enemy-held ground.

This is where an army becomes a single body. After the prayers at Atsuta, the next place Nobunaga headed for was neither a grand castle nor a famous shrine, but the forward position he had built to pin down the Imagawa-held Narumi Castle: Zenshoji Fort. On the day of the battle he is said to have arrived here around ten in the morning, formed up his troops, and grown a force of a few hundred at Atsuta into several thousand. Zenshoji Fort is the quiet evidence that Nobunaga's surprise attack rested on organisation and command, not on momentum.

Narumi Castle is only about 700 metres to the west. That closeness is what makes the tension here so immediate. At a distance where the enemy castle is effectively within sight, he gathered his men, reordered the ranks, sorted the intelligence and aligned everyone on a single direction of travel. Battles in this period were often settled before the first blow, in exactly this kind of preparation time — and the fact registers all the more strongly for the site now being a children's playground.

The steep slope falling away to the north, and the outlook from the high ground, are what remain. With no built ruins to distract you, the essential nature of a toride — a field fort — is legible in the shape of the land alone. Visit here and it clicks: the road to Okehazama was not travel. It was a sequence of arrangements aimed at winning.

With his army formed up at Zenshoji, the next place Nobunaga pushed forward to was Nakashima Fort. Immediately before turning for Okehazama, what he chose was not a safe hilltop but a low-lying forward position ringed by rivers and marsh — a near-island of ground close to where the Ogi and Tegoshi rivers meet.

At the time this whole area was a tangle of paddy fields and watercourses with poor visibility. It was also easily observed from the Imagawa-held Narumi Castle, and the approach roads were narrow. His retainers are recorded as having tried to stop him, telling him it was too dangerous. He went anyway — out to the very front, to judge the distances with his own eyes and to take hold of the information and the momentum he needed.

Nakashima Fort has nothing to show you. That is exactly why, the moment you pass through the gate and stand in front of the stone marker, the weight of the place lands quietly and completely. This is where the last hesitation before the charge was set down. If you want to stop thinking of Okehazama as a miracle and start reading it as a commander's judgement in the field, there is no better place on this route to do it.