Pakistan is an Islamic country. Men are not allowed to shake hands with women. People of NWFP province are especially very religious and as well as conservative.
Women of Nathiagali are really hardworking. They collect woods from forest for cooking as well as do all house hold work.
Here are few tips that would help you for sutre when you are in Nathiagali. Do not look at women. They do not like to shake hands with and talk to strangers . And also never try to take photograph of women.