An excellent opportunity but due to rush, lot of people will curse themself for going North in these holidays. Roads will be packed, most of the tourists will spend most of their time on roads and traffic jams. Hotel rates will be sky high, a 2k worth room will be hardly available in 8 to 10k.
Don't go beyond Phander, Phander-Mastuj is a jeep track, if you still insist to go, get spacers in your car, tell your mechanic to, jitne bare spacer dal sakte hain dal de... you will thank me later once you reach there.