div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Design 3 R1 - Massgov src=https:reader030fdocumentsnetreader030viewer20220121006169dc7611a7b741a34c2e7ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp345p pSummit Access Road - 405 mi 235 mi up13% average grade 17 mi down 19% average gradeEntrance at the Park Visitor Center on Mountain Rd seasonally open to automobile usep pSponsored by:pdiv