Map showing all locations mentioned on Wikipedia article:
Jebel Shamsmountain of
sun) is a mountain located in northeastern Oman north of
Al
Hamra town.It is the highest mountain of the country and
part of Al Hajar
Mountains range.It is a popular sightseeing area located 240
km from Muscat. In
the summer, temperature is around 20 °C and in the winter it drops
just above 0 °C.
Notes
Sources differ as to the height of the summit of Jabal Shams,
with figures ranging between 2,980 and 3,075 metres (9,777 to
10,089 ft). The Omani Ministry of Information gives the latter
figure.