Only 30 minutes from Hakodate by express train, Onuma Quasi-National Park feels like a world away. While the views are undeniably beautiful, there is a “story” hidden here that you might miss if you only look at the surface. Let’s dive into the dramatic history and seasonal experiences that make this place truly special.

1. The Dramatic “Shape-Shift” of Mt. Komagatake

The first thing that catches your eye is the jagged, unique silhouette of Mt. Komagatake.

• While the local signboards explain its formation, did you know this mountain used to be a perfect cone, much like Mt. Fuji?
• The Story: A massive volcanic eruption long ago caused the mountain to collapse. The debris blocked the local rivers, creating the beautiful lakes of Onuma and Konuma that we see today. As you gaze at the peaks, try to imagine the mountain’s original, towering form. The landscape will transform from a simple photo spot into a living testament to the earth’s power.

2. “Poroto” — What the Ainu Language Reveals About the Lake

To truly understand this land, you have to look at its original name.

• In the language of the indigenous Ainu people, Onuma is called “Poroto.” If you look closely at the trail markers, you’ll find a clue as to why this name still matters today.
• The Story: “Poro” means large, and “To” means lake. While simple, it reflects how the Ainu lived in harmony with the scale of the nature around them. Saying the name “Poroto” while walking the lakeshore connects you to the spiritual heart of Hokkaido in a way a guidebook never could.

3. Winter Tradition: The Joy of Wakasagi (Smelt) Ice Fishing

Winter in Onuma is defined by an activity that takes place right on top of the frozen water.

• Standing on a frozen lake is an adventure in itself, but the real stars here are the tiny, finger-sized fish called Wakasagi.
• Drilling a hole through the thick ice and dropping your line into the silence is a Zen-like winter tradition. The highlight? Frying your fresh catch into tempura right there on the ice. This is a sensory experience that no information board can fully describe—you have to taste it to believe it!

Access to Onuma Park from Hakodate

Mode	Time	Price(Approx.)	Note
JR ”Hokuto”	30 min.	¥1,800	The fastest and most comfortable way.
Local Train	50 min.	¥700	Enjoy the slow scenery.
Car / Taxi	40 min.	Varies	Take the National Route 5.

Perfect stopover on your way to Sapporo or Noboribetsu!

I believe that knowledge turns anxiety into excitement. I want you to feel 100% confident and ready to fall in love with Hakodate!

Enjoy every moment of your Hakodate journey, and travel safe!