Nishina Three Lakes Hakuba Summer Guide: SUP, Kayaking & Year-Round Investment Potential

TL;DR: The Nishina Three Lakes (Aoki, Nakatsuna, Kizaki) offer SUP, kayaking, cycling, and camping May–October, with Lake Aoki as the tourism hub — a key reason Hakuba properties can achieve year-round rental occupancy.

The first time I cycled the lakeside path around Lake Kizaki in June, I understood why Tokyo families book Hakuba rentals in summer. The water was mirror-still. The Alps reflected perfectly. No ski lift queues, no crowds, just green silence.

The Nishina Three Lakes — Lake Aoki (青木湖), Lake Nakatsuna (中綱湖), and Lake Kizaki (木崎湖) — sit about 20 minutes south of Hakuba village. They're the reason the Hakuba Valley isn't just a ski resort. From May through October, these lakes host SUP (stand-up paddleboarding), kayaking, canoeing, lakeside camping, and cycling. For property investors, they're the linchpin of green-season occupancy.

Lake-by-Lake Breakdown: What Each One Does Best

The three lakes sit in a chain along Route 148. Driving from north to south, you'll pass Aoki, then Nakatsuna, then Kizaki. Each one's got its own vibe.

Lake Aoki: The Tourism Hub

Lake Aoki is where you'll find most of the action. The water's this surreal emerald green — honestly, the clarity combined with how the mountains sit around it creates this almost unreal reflection. It's deep too (about 60m at the deepest), cold, and strikingly clear.

SUP and kayak rental operators cluster along the eastern shore. Most open late April or early May and pack it in by mid-October. You're looking at roughly ¥2,000–¥3,000 per hour for SUP or kayak rental. Want a guide? Expect to pay ¥5,000–¥8,000 for 2–3 hours, which honestly isn't bad if you've never paddled before.

Lakeside cafes are casual — Aokiko Camping Ground Cafe opens seasonally and has a simple lunch menu, and then there's mobile food trucks that set up near the main beach on weekends. Don't come expecting fine dining. You're getting curry rice, yakisoba, soft-serve ice cream. That's it, and that's fine.

Lake Nakatsuna: The Quiet Middle Child

Lake Nakatsuna sits between Aoki and Kizaki, and it's tiny, shallow, and totally overlooked—which is precisely why families with toddlers love it. The water warms up faster than Aoki, the shoreline's gentle, and you won't end up sharing the lake with twenty SUP tour groups.

There's one small rental operator near the north shore, though operating hours can be all over the place—definitely call ahead before you show up. Parking's just a gravel pull-off with maybe ten spaces. No cafes, no real facilities except a basic toilet. Quiet by design.

Lake Kizaki: Cycling and Camping

Lake Kizaki's got a dedicated lakeside cycling path—about 6km around the perimeter. It's flat, paved, and you can absolutely do it with kids. Rent bikes from shops near Kizaki Kogen Station or bring your own.

Camping infrastructure here is the best of the three. Kizakiko POW WOW Campground and Kizakiko Campground are your main options, both open May–October. Budget ¥1,500–¥3,000 per tent site per night. You get toilets, showers, fire pits—the basics, but they're solid.

There's also a small swimming beach (July–August), though the water stays cold even in peak summer. Most people stick to paddling or cycling anyway.

Summer Activities: What Actually Works (and What Doesn't)

Here's what I've picked up from cycling, paddling, and watching my kids attempt canoe launches without tipping.

SUP and Kayaking

SUP dominates. Lake Aoki's calm water is beginner-friendly, and those mountain reflections? Instagram gold. Mornings (7–9am) are glassy, but by noon a light breeze usually kicks in.

Kayaking's more stable if you've got younger kids. Tandem kayaks fit two adults or one adult and two small children. Single kayaks are faster but need decent arm strength for longer distances.

Canoeing

Most Aoki rental shops have canoes, but they're way less common than SUPs or kayaks. They're stable, wide, and good for groups of three—but they're slow. If you want to actually cover distance, kayaks are your friend.

Lakeside Cycling

The Kizaki path is genuinely the highlight. It's separated from road traffic, mostly shaded by trees, and takes about 40–60 minutes at a relaxed pace. There are benches scattered along it and decent photo spots.

Bring water — no vending machines mid-loop. And if you're cycling with kids under 8, bring your own bikes. Rental shops stock adult bikes and a few kids' bikes, and they disappear fast on weekends.

Camping

Both Aoki and Kizaki have lakeside campgrounds. Kizaki's more developed (flush toilets, coin showers, proper gravel pads). Aoki feels more rustic (pit toilets, uneven ground, fewer amenities).

July and August are peak season. Book ahead—seriously. Walk-in tent sites exist, but they're first-come, first-served, and they fill by Friday afternoon during summer holidays.

What Doesn't Work

Swimming. The lakes are glacier-fed and stay cold (15–18°C even in August). Kizaki has a designated swimming beach, but most people last about ten minutes before giving up and grabbing a towel. If you want warm water, hit an onsen pool instead.

Fishing without a permit is also off-limits. The lakes are stocked with trout and bass, but you'll need a fishing permit—available at local convenience stores or tackle shops for around ¥1,000/day. Fishing without one'll get you a polite but firm conversation with local authorities.

Best Access Points and Parking

From Hakuba village, the lakes are about 15–20 minutes south via Route 148 (Ōmachi Azumino Road). Coming from Nagano Station, budget about 50–60 minutes by car.

Public transport exists, but it's spotty. The JR Ōito Line runs through the area (Yanaba Station for Aoki, Kizaki Kogen Station for Kizaki), but trains are infrequent—roughly one per hour. If you're staying in Hakuba village without a car, your rental property or hotel can usually arrange a taxi (about ¥3,000–¥4,000 one-way).

Nearby Cafes, Facilities, and What to Expect

The lakes aren't a cafe-hopping destination. You'll find a small cluster of seasonal spots near Aoki, maybe one or two near Kizaki, and basically nothing at Nakatsuna. Here's what's actually out there:

Lake Aoki Area

• Aokiko Camping Ground Cafe — Casual lunch spot inside the campground. Curry, sandwiches, coffee. Open May–October, 11am–4pm (roughly). Cash only.
• Mobile food trucks — Park near the main beach on weekends. Yakisoba, takoyaki, soft-serve. Hours vary.
  Editorial Note: This article is for general informational purposes only and does not constitute legal, tax, or financial advice. Read our full disclaimer.