
Spring 春
March – May
Sakura fronts move north for six weeks. The trick is chasing the bloom away from the crowds — post-town lanes, castle moats and river valleys instead of Kyoto at peak.

Kikō is an AI trip planning agent for Japan. It picks experiences and places worth your time — not the famous ones — then routes them into realistic days with transportation via trains, buses, ferries or rental-car, and accommodation (hotels, ryokan or onsen stays) that actually fit your party.
47
prefectures, plus every city, town and village in English and Japanese
22
rural areas from a veteran planner's doctrine, enforced not suggested
13
self-check points before you read it
The same route is a different trip in April and in January. Kikō shifts experiences, places, pacing, opening hours and stays to the month you fly — and mirror your needs to your in-depth travel.

Spring 春
March – May
Sakura fronts move north for six weeks. The trick is chasing the bloom away from the crowds — post-town lanes, castle moats and river valleys instead of Kyoto at peak.

Summer 夏
June – August
Hot and humid inland, glorious on the coast and in the highlands. Plan around festival /matsuri evenings, romantic fireworks, island ferries and early-morning hikes.

Autumn 秋
September – November
The most forgiving weather of the year, with stunning autumn leaves, mountain temples, gorge railways and harvest festival.

Winter 冬
December – February
Snow country at its best: steaming onsen villages, powdery snow ski resorts, silent cedar forests, crab and sake season, and empty city mornings.
Not a bullet list of city names. Every entry carries travel time and mode from the previous stop, the name and address in English and Japanese, a Mapcode for your rental car, opening hours, a food pick inside a real meal window, and a plan for when it rains.
Sample from a 14-day winter plan
Yamadera 山寺 stone stairs
1,015 steps through cedar; arrive 07:30 to beat coaches. 9/10 seasonal value.
Yamadera → Ōishida → Ginzan
JR Senzan + Ōu line 62 min, 1 change, then 38 min bus. Forward luggage from Sendai.
Ginzan gaslit riverfront
Free footbath, Shirogane falls loop 1.4 km. Rain plan: Nogawa Soba noodle-making.
Notoya Ryokan 能登屋旅館
Family room 4, kashikiri onsen, tatami-safe for parents, ¥¥¥, 2 min walk from the bus stop.
Self-check: 4.1 km walking · 1 train change · meals inside windows · no repeat prefecture.
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Dates, party, budget band, pace, themes and the accommodation must-haves you never compromise on.
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It builds the route arc, then writes each day against a strict rulebook: walking caps, transfer limits, meal windows, crowd and weather logic.
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Days 1–3 arrive in full detail. Unlock the rest at US 1 dollar per travel day (including the initial 3 days) when you like what you read.
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Every day shows its self-check. Lock what you love, rebuild a single day with a note like “less walking” or "no amusement park" etc.