Responsa for Bava Batra 276:5

דתנן ולא את הבור ולא את הדות אף על פי שכתב לו עומקא ורומא וצריך ליקח לו דרך דברי רבי עקיבא

must, however, buy for himself a passage [to these];<span class="x" onmousemove="('comment',' The sale of the house includes the area surrounding it. Hence, the seller, though retaining the ownership of the cistern and the cellar, has no claim upon the path that leads to them. ');">¹³</span> these are the words of R. Akiba. But the Sages say: He<span class="x" onmousemove="('comment',' The seller. ');">¹²</span> need not buy for himself a passage. R. Akiba, however, admits that where he<span class="x" onmousemove="('comment',' The seller. ');">¹²</span>

Teshuvot Maharam