To see the sea of japan you need to cross over the mountains. Although once you cross over ther mountains you are no longer in Tsubame. I visited in the late fall, So it wasnt the best swiming weather ( as you can tell by what Im wearing in the photo). I am sure you can swim in the summer but its not the warmest water.
There is tons of fish markets all along the water that are also intresting to see.
Updated Dec 8, 2005
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Reviews and photos of Tsubame attractions posted by real travelers and locals. The best tips for Tsubame sightseeing.

To see the sea of japan you need to cross over the mountains. Although once you cross over ther mountains you are no longer in Tsubame. I visited in the late...
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One of the only things there is to do in tsubame is go mountain climbing. I climbed a moutain just alittle outside of tusbame, called Yahiko.
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