Baghsar combines two things travellers in Mirpur's orbit often want from a day out: a quiet lake setting and a piece of old defensive architecture. The fort stands above the water in wooded hill country, giving the place more character than a simple picnic lake.
It is a modest sight rather than a major monument, but it clears the bar because the setting is genuinely attractive and the fort gives the trip a focus. Bring food and water, check road conditions locally, and treat it as a rural excursion where the journey is part of the day.