An Alternative is to drive to the Kaghan Valley that's a six -hour travel from Islamabad and can be done inside a weekend (e.g. leaving Friday lunchtime and overnighting in Abbottabad) - but greater to strategy 3 or more evenings if you can. Beware of landslides nevertheless if it has https://maps.app.goo.gl/3pgqKTY4pBUEm3Dz7