So, picture this: I’m in Nagano, and the autumn breeze is just perfect—crisp but not too cold. I didn’t expect to find myself wandering down what’s known as the Cosmos Highway, but here I was, surrounded by these delicate pink, white, and yellow flowers stretching as far as the eye can see. I honestly felt like I stepped into a painting!
The Cosmos Highway in Nagano is a 9km stretch along Route 254, and it lives up to its name. The road is flanked by these beautiful cosmos flowers, courtesy of the local community’s dedication to planting and maintaining them since 1972. It’s like they’re personally welcoming you to their floral masterpiece. And the best part? It’s free! Just stroll right in with your camera—trust me, I couldn’t stop snapping photos.

A Million Blossoms Awaits
Now, here’s something I totally underestimated: the Uchiyama Farm Cosmos Garden. It’s not just any garden—it’s a 3-hectare field of a million cosmos flowers! I mean, can you even imagine? The sight is so dreamy, especially when the morning mist hovers over the field. It’s a bit of a trek, about a 10-minute walk from the Yamaso Arafune campsite, but so worth it. I literally gasped when I saw the endless sea of flowers against the backdrop of the blue sky.
The best time to visit is from late August to September, when the blooms are at their peak. And if you’re lucky, you might catch the Saku Kogen Cosmos Festival happening around mid-September. It’s a festive vibe with local food stalls and live performances, adding a lively touch to the serene scenery.

Tips for Your Visit
- Travel Tip: Rent a bicycle! It’s a great way to cover more ground and soak in the views. Plus, the fresh autumn air feels amazing as you ride.
- Weather: The temperature can drop in the evenings, so bring a light jacket. You’ll thank me when you’re not shivering!
- Budget: It’s really affordable. Most of the sightseeing is free, but bring some cash for those tempting snacks at the festival. A local treat might cost you around ¥500 (about $3.50 USD).
Honestly, if you’re in Japan during autumn, this place is a must-visit. It’s not just about the flowers—it’s the whole experience of being surrounded by nature’s beauty. I told my mom about it, and now she’s already planning her next trip, lol.
If this sounds like your kind of adventure, go check it out. And hey, I’d love to hear your stories if you decide to wander down the Cosmos Highway yourself!

