Here are some places I thoroughly recommend visiting! They are great for everyone but I’ll also mention their accessible features! Click on the title for my full review or the link below to visit their own site.
Talkin Tarn Country Park
Lake with accessible paths. Café, shop and accessible loos.
https://www.visitcumbria.com/car/talkin-tarn/
The Sill, Once Brewed, Northumberland
National Landscape Discovery Centre: fully accessible, with good café, accessible loos and roof garden. Helpful staff.
Sculthorpe Moor Nature Reserve
Birds, water vole and other wildlife. Boardwalks and accessible hides, accessible visitor centre and loos.
http://hawkandowl.org/sculthorpe/about-sculthorpe/
Yat Rock, Hereforshire
Lovely views of the River Wye and surrounding countryside. Blue Badge parking, loos, accessible snack bar and gift shop.
https://www.visitherefordshire.co.uk/explore/symonds-yat.aspx
Hampton Court Castle and Gardens, Herefordshire
Fabulous walled gardens, lawns and woods. Ground floor of castle accessible, accessible tea rooms and loos.
https://www.visitherefordshire.co.uk/thedms.aspx?dms=3&feature=2&venue=1400696
Queenswood Country Park and Arboretum, Herefordshire
Accessible, free arboretum with viewing point, visitor centre, gift shop and accessible loos.
http://www.herefordshirewt.org/reserves/queenswood
Canal Gardens, Leeds
Lovely gardens over the road from Roundhay Park. Tropical World (wheelchairs only, I think), café, shop and accessible loos.
https://tropicalworld.leeds.gov.uk/plan-your-visit
The Homestead Park, York
Beautiful, well-kept flowerbeds, lawns and borders; all year round colour, play area, pop-up café, accessible loos.
https://www.jrht.org.uk/about-us/homestead-park
National Centre for Early Music (NCEM)
Accessible venue in converted church, wide variety of music, reserved wheelchair spaces, accessible loo.
York Theatre Royal
Recently refurbished, York Theatre Royal has wheelchair spaces and accessible loos in the stalls and Dress Circle.
https://www.yorktheatreroyal.co.uk/
Bridlington promenade
Smooth promenade with some accessible parking nearby and RADAR-key loos.
Breezy Knees, near York
Gardens, nursery and café. All year round interest, mainly tarmac paths, accessible loo.
https://www.breezyknees.co.uk/
Sutton Bank
Fabulous views, the White Horse, visitor centre, ample parking and accessible loo.
https://www.northyorkmoors.org.uk/discover/geology/sutton-bank
University of York
Large lake with wildfowl, trees, topiary and lots more.
https://www.york.ac.uk/about/maps/
Rowntree Park
Well-kept suburban park with small lake, adventure play area, skate park, café and toilets.
http://www.rowntreepark.org.uk/
Riverside paths, York
Accessible riverside paths, adjacent to Rowntree park, St George’s Field carpark, etc
Askham Bog, York
Yorkshire Wildlife Trust (YWT) nature reserve with board walks.
https://www.ywt.org.uk/nature-reserves/askham-bog-nature-reserve
Temple Newsam, Leeds
Most spectacular when the rhododendrons are flowering, Temple Newsam has woods, a lake, hothouses and a rare breeds farm as well as a café.
http://www.leeds.gov.uk/museumsandgalleries/Pages/Temple-Newsam.aspx
Golden Acre Park, Leeds
Lakeside paths and woods, tearooms and wonderful colour all year round.
http://www.leeds.gov.uk/leisure/Pages/Golden-Acre-Park.aspx
Thorp Perrow Arboretum, near Bedale, North Yorkshire
Woods, lake, adventure playpark, tearooms. Highlights are bluebells in Spring and fabulous Autumn colours.
http://www.thorpperrow.com/index.html
The national collection of waterlilies, rose garden, rock garden, very accessible paths. Café, toilets and small museum.
accessibilityreviews 
A great post lovely photos
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