Marfield nature reserve https://www.tripadvisor.co.uk/Attraction_Review-g670891-d8094500-Reviews-Marfield_Wetlands_Nature_Reserve-Masham_North_Yorkshire_England.html

DCC map indicates paths starting at car park into wooded area

DCC map indicates path here, connecting to road. Needs survey!

Should be historic milestone about here

Strong trail on Strava heatmap heading S here. Survey useful to confirm its nature.

DCC PROW mapping indicates bridleway heading due S here

There are 4 "barrier=gw" here - see http://overpass-turbo.eu/s/h71 . I'm guessing perhaps some other tag might work better?

Should be historic marker (Crosshill Stone) about here

Should be historic milepost about here

Should be historic milestone about here