The answers to this flat are the name of a country, a possessive pronoun, and the name of a mountain range - in that order. The possessive pronoun frames the six-letter country, and the entire word is the name of the mountain range.  _ _ (country)_ .

The tour was billed as "Sights and

   Heights":

A range of Asia's vast delights.

The guide said that we'd start off hot,

In _ _ _ _ _ _ , then climb to where it's not.

_ _ _ words meant calm and warm at

   first,

But in the _ _ _ _ _ _ _ _ _ , the weather's

   cursed.

Answers:

 

MALAYA

HIS

HI(MALAYA)S - HIMALAYAS

 

Credit:

The Enigma 

October, 2020

WITZ