An autumn rental-car day in Nikko rewards drivers who treat the route as a mountain drive. Irohazaka links Nikko\u2019s town side with Lake Chuzenji and the Oku-Nikko area. The two slopes are directional: Second Irohazaka is the uphill route toward Lake Chuzenji, while First Irohazaka is the downhill route back toward Nikko. Together they contain 48 tight curves. That layout means a missed turn, a late fuel stop, or an optimistic schedule is harder to correct than it would be on a city loop. Build your day around the direction of travel and leave room to slow down safely.<\/p>\n
Autumn adds two competing demands. The scenery invites frequent stops, while popular weekends can bring heavy traffic. Nikko\u2019s official tourism guidance notes that congestion is common in the foliage season and advises travellers to check current traffic information before setting out. Do not use a normal map estimate as a promise. Choose a few priorities\u2014such as the road itself, Lake Chuzenji, and Kegon Falls\u2014and consider every additional stop optional. A calmer plan is more useful than trying to fit the whole of Oku-Nikko into a single timetable.<\/p>\n
Start with the route sequence, not with a sightseeing pin. From Nikko, use Second Irohazaka for the ascent to the Lake Chuzenji side. Keep the car in its lane, let faster local traffic pass only where it is clearly safe, and avoid stopping on the road for photographs. The sharp curves deserve your full attention, particularly if this is your first time driving on the left in Japan. At the top, park only in a marked, available space before walking to a viewpoint or visiting an attraction.<\/p>\n
For the return, plan to leave Lake Chuzenji by First Irohazaka, the downhill one-way road. Before descending, secure loose items, confirm that everyone has used the restroom, and review the next destination. On a long series of bends, passengers looking for a bag or a phone can distract the driver at exactly the wrong moment. Use gentle, smooth inputs; select a speed that lets you see around the next curve; and leave extra following distance if the road is wet or traffic is compressed. If daylight, weather, or driver energy is declining, shorten the plan rather than forcing one more stop.<\/p>\n
On a foliage-season weekend, the best decision may be to change the time of travel, not merely the route. Check the official Nikko congestion information on the morning of departure, then make one clear decision: go early, travel later, or choose public transport for the busiest section. Avoid relying on an unverified detour; mountain-road closures and local controls can change. Keep enough fuel for a delay and carry drinking water, charged phones, and a warm layer for everyone in the car.<\/p>\n
Once parked, let the day become slower. Lake Chuzenji gives the itinerary a natural pause after the climb, and Kegon Falls is nearby on the lake side. Instead of treating each attraction as a checkpoint, decide what experience matters most: a lakeside walk, a view, a meal, or simply time away from the steering wheel. This approach reduces hurried parking decisions and gives the driver a proper break before the descent. It also makes the plan resilient if traffic has already used more time than expected.<\/p>\n
Before restarting, recheck the route, weather, and road situation. In mountain areas, rain, fog, lower temperatures, and early dusk can alter how a road feels. Assign one passenger to handle navigation and messages so the driver can concentrate. If conditions look worse than expected, return at a comfortable pace and skip the least important stop. A successful Nikko drive is one in which every passenger arrives back at the rental location relaxed and on time.<\/p>\n
Keep the plan deliberately modest: ascend on Second Irohazaka, park legally around Lake Chuzenji, take a real break, and descend on First Irohazaka. Confirm the current traffic picture before departure and again before the return. With 48 curves spread across two directional roads, the best preparation is not a packed itinerary; it is clear route awareness, flexible timing, and patient driving. For current local congestion guidance, consult the official Nikko Travel Navi traffic page<\/a>. For the road\u2019s directional layout and 48 curves, see the official Irohazaka information page<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":" Make the Irohazaka road part of the plan, not a shortcu … <\/p>\n