An alternate will be to drive towards the Kaghan Valley which can be a 6 -hour generate from Islamabad and can be carried out inside a weekend (e.g. leaving Friday lunchtime and overnighting in Abbottabad) - but better to prepare 3 or even more nights if you can. Beware of https://directory4search.com/listings12828304/little-known-facts-about-spoken-english-course-in-rawalpindi