国鉄士幌線の終点･十勝三股から、三国峠を越えます。<br />前：<a href="https://www.nicovideo.jp/watch/sm23502423" class="watch">sm23502423</a>　後：<a href="https://www.nicovideo.jp/watch/sm23548819" class="watch">sm23548819</a><br />北海道別館→<a href="https://www.nicovideo.jp/mylist/6430088" target="_blank" rel="noopener">mylist/6430088</a>　マイリス1･2･3･4･5･6･7･8･9→<a href="https://www.nicovideo.jp/mylist/8148525" target="_blank" rel="noopener">mylist/8148525</a>&<a href="https://www.nicovideo.jp/mylist/9961604" target="_blank" rel="noopener">mylist/9961604</a>&<a href="https://www.nicovideo.jp/mylist/19397711" target="_blank" rel="noopener">mylist/19397711</a>&<a href="https://www.nicovideo.jp/mylist/10367690" target="_blank" rel="noopener">mylist/10367690</a>&<a href="https://www.nicovideo.jp/mylist/10814163" target="_blank" rel="noopener">mylist/10814163</a>&<a href="https://www.nicovideo.jp/mylist/10006385" target="_blank" rel="noopener">mylist/10006385</a>&<a href="https://www.nicovideo.jp/mylist/6587395" target="_blank" rel="noopener">mylist/6587395</a>&☆<a href="https://www.nicovideo.jp/mylist/9304817" target="_blank" rel="noopener">mylist/9304817</a>＆<a href="https://www.nicovideo.jp/mylist/10360537" target="_blank" rel="noopener">mylist/10360537</a>　一覧→<a href="https://www.nicovideo.jp/user/5903512" target="_blank" rel="noopener">user/5903512</a>