The Morse preserve in Alton is a fairly easy hike:
https://www.winnipesaukee.com/forums...ad.php?t=24161
https://forestsociety.org/property/e...se-sr-preserve
I think that it is the highest ratio of reward/effort in the area.
Mt Major has a great view, not real easy if you don't normally hike and very crowded. If you are in ok shape and don't mind the crowd then go for it.
https://forestsociety.org/property/m...or-reservation