50) Brockholes Nature Reserve, Preston New Road, Samlesbury, Preston, PR5 0AG.
Distance:
There are around 4 miles of accessible nature trails to explore within the confines of the actual nature reserve, tho you can extend the day by exploring the cycleway that crosses through the actual nature reserve. My route due largely to being on a tight schedule was just under 3 miles.
Terrain:
The car park is vast with lots of spacious disabled parking. The accessible paths are wide and good for all types of wheelchairs ( powered and manual).
There are a few hills to go up or down depending which route you take.  None a very steep or very long. The surface on these is a little loose so assistance may be required in a couple of places. I use a Batec Scrambler and had no issues anywhere.
A few sections are on wide but muddy paths but there are plenty puddles to rinse off wheels.
Facilities on site:
The site is managed by the Lancashire Wildlife Trust - entry is free but all vehicles parking have to pay £5, this includes blue badge holders. If on a budget there is space to park on the road outside the actual reserve.
Dogs are not allowed unless its an accredited guide or assistance dog with a jacket on.
There is a fabulous floating raft visitor centre that is bigger than it sounds! This also has a cafe and disabled toilet. This is closed Mon and Tues, but do check the reserves own website for further info.
In the middle of the reserve is an adventure playground - excellent for kids and in my case my wife to burn off some energy!
All enclosed hides (currently closed due to Covid) are accessible and have disabled viewing places.
https://www.brockholes.org
Route:
We did the carpark and the east section first then looped around uo the lesser steep slopes to join the official accessible paths.
What might you see?
The reserve has many ponds in addition to the main lake, so lots of fowl, geese, and waders. Many insects on the meadow sections. 
A really beautiful and well considered nature reserve that has something for all abilities and ages.
 
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