Kagurazaka's stone back-lanes, a hillside shrine, and the coffee no one photographs

Off the main slope, past a tempura shop and a tobacco stand, the paving changes from asphalt to stone and the traffic noise thins to nothing in under ten steps. This is the trick of Kagurazaka (神楽坂): the hill everyone climbs is only the spine, and the interesting body of it runs sideways, into lanes barely wide enough for two umbrellas.

Where the slope changes direction

Kagurazaka rises between two subway mouths. At the bottom, Iidabashi Station is fed by the JR Chūō-Sōbu line and four metro lines — Tōkyō Metro Tōzai, Yūrakuchō and Namboku, plus the Toei Ōedo — so most people arrive here and walk up. At the top sits Kagurazaka Station on the Tōzai line; Exit 1 puts you at the crest looking down, which is the better way to read the street, since gravity does the walking.

The slope itself keeps a habit almost nobody notices. Kagurazaka-dōri (神楽坂通り) is one-way, and the permitted direction reverses at midday — cars climb in the morning and descend in the afternoon, a rule held over from the days when the geisha quarter set the rhythm of the hill. Stand at the crossing near noon and you can watch a traffic officer flip the flow. It costs nothing to see and tells you more about the place than any signboard.

The alleys nobody photographs

The two lanes worth losing yourself in branch off the lower slope. Hyōgo Yokochō (兵庫横丁) and Kakurenbo Yokochō (かくれんぼ横丁, literally "hide-and-seek alley") are paved in ishidatami (石畳), fitted granite laid tight enough to catch a heel. Black wooden fences — kuromon (黒門) — screen the ryōtei (料亭), the old banquet houses where geisha still work by appointment, and their entrances give away nothing: a single lantern, a swept step, a name too small to read from across the lane.

Because these are private thresholds, the courtesy is simple: walk through, don't shoot into the doorways. What you can enjoy freely is Mugimaru2 (ムギマル2), a scruffy two-floor café wedged into Kakurenbo Yokochō, known for hand-steamed manjū (饅頭) at around ¥250 to ¥300 apiece and a rotation of resident cats asleep on the chairs. It photographs badly and feels wonderful, which is the correct ratio for this quarter.

路地は写すためではなく、歩くためにある。

Akagi-jinja on the hill

Cut north from the top of the slope and the lanes open onto Akagi-jinja (赤城神社), a shrine that has stood on this ridge since the fifteenth century and was rebuilt in 2010 to a design by the architect Kengo Kuma. The pairing is strange and it works: a vermilion presence behind walls of glass and cedar, a shrine you can see straight through. Admission is free, and the grounds are quiet on a weekday morning before the school-run crowd cuts through.

On the same terrace, Akagi Café serves a blend for roughly ¥550 to ¥700 with a view down into the shrine precinct — one of the few places in Tokyo where you drink coffee inside a working shrine's shadow. On scattered Sundays the forecourt hosts the Akagi Marché, a small handmade-goods market; check the shrine's noticeboard by the torii rather than trusting a fixed date, since it moves with the season.

Bishamonten, and where the light lands

Back on the main slope, the one temple most walkers pass without stopping is Zenkoku-ji (善國寺), founded in 1595 and known locally as Bishamonten after the guardian deity it enshrines. Look at the gate: instead of the usual komainu (狛犬), lion-dogs, it is flanked by a pair of stone tigers — koma-tora (狛虎) — a rarity in Tokyo, worn smooth where hands have touched them. On evenings around the 1st, 5th and 15th the temple keeps its ennichi (縁日) rhythm, and the forecourt fills with a few stalls and the smell of grilled things.

For the afternoon light the reference titles promise, walk up toward Kagurazaka Station and find Kamome Books (カモメブックス), an independent bookshop with a coffee counter folded into the back. It stays open late — generally past nine in the evening — and around four o'clock the west light comes flat across the spines. A drip coffee runs about ¥450 to ¥550; you can read what you haven't bought, within reason, and nobody hurries you.

Getting there, and the one thing to time

Come by the Tōzai line to Kagurazaka Station and walk downhill, or by any Iidabashi line and walk up — either way the whole quarter fits inside a slow afternoon. A generous day costs little: coffee at ¥550, a manjū or two at ¥250, both shrines free to enter, and the alleys free to lose. Aim for a weekday between two and five, when the light is low, the ryōtei still shuttered, and the lanes belong to residents and cats rather than lunch crowds. The mistake to avoid is arriving hungry at midday expecting the famous alley restaurants to be open — most of the ryōtei serve dinner only, many take cash alone, and several require a booking through a regular. Treat the daytime hill as a place to walk and drink and read, and save the eating for after dark, when the lanterns do the work the sun was doing.