《徐霞客游记·楚游日记十一》
于是我们向南横渡过水流，便上到三分岭麓。
乃绝流南渡，即上三分岭麓。
So we crossed the water to the south, and ascended to the foot of Sanfenling.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 乃绝流南渡，即上三分岭麓。 [/INST] So we crossed the water to the south, and ascended to the foot of Sanfenling.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 乃绝流南渡，即上三分岭麓。
user
So we crossed the water to the south, and ascended to the foot of Sanfenling.
assistant