The trail to Paris is a former railway, hence the shallow grade, it wasn't designed as a trail. I think the section with the 5% grade is at The Murray Overlook where another old railway crossed there. I don't think the hump was there when it was a railway but I don't have my GRR book handy but it might have an old photo of the crossing.
There's plenty of trails in KW that are hilly. The bit of the Walter Bean trail, starting at Lancaster and going downriver to Chicopee is quite hilly in spots, I wouldn't be surprised to see 10% or more on some of the hills.
Flat trails are nice for accessibility, I wouldn't want to try and use a wheelchair or push a stroller along that stretch of trail, but I've seen both on the trail to Paris.
There's plenty of trails in KW that are hilly. The bit of the Walter Bean trail, starting at Lancaster and going downriver to Chicopee is quite hilly in spots, I wouldn't be surprised to see 10% or more on some of the hills.
Flat trails are nice for accessibility, I wouldn't want to try and use a wheelchair or push a stroller along that stretch of trail, but I've seen both on the trail to Paris.