Hendre Lake Park

The final location is at N51 30.ABC W 3 05.DEF
Helpful Information (Virtual Stage)
N 51° 31.106 W 003° 05.129
Welcome to Hendre Lake Park. There are some boards all around the park with some interesting information. This first board gives you various information about what you'll find.
At the bottom left of the board there are some instructions.
A = The number of letters in the 4th word of the Welsh instructions.
The View (Virtual Stage)
N 51° 31.018 W 003° 05.244
Time to take in the view over the lake. Except the steps are fenced off :-( There were some steps to climb though - how many are there?
B = Number of steps minus 9
Time for a rest (Virtual Stage)
N 51° 31.003 W 003° 05.318
There are some concrete cubes here, you could sit on and take a rest.
C = Number of blocks here plus 6
The Lake Margin (Virtual Stage)
N 51° 31.087 W 003° 05.396
About 200m from the blocks is a junction of paths. There used to be an information board by the water's edge but the area here has changed a lot.
D = The number of wooden posts here, plus the number of litter bins you can see when stood at the path junction
Not the Peninsular - a time to reflect (Virtual Stage)
N 51° 31.065 W 003° 05.320
This stage used to be on the peninsular, but this is now a conservation area so has been moved.
More concrete cubes, and some memorial stones.
E = The number of granite memorial stones, plus half that number again.
Keeping Fit (Virtual Stage)
N 51° 31.156 W 003° 05.221
Final stop here to gather the last digit! This board showed that some people like jogging around the lake. Don't let them hear you say that as they are Runners not Joggers! There was a phone number on the information board...
F = The number of information boards here, multiplied by the number of flagpoles, multiplied by the number of litter bins
The final location is at N 51 30.ABC W 003 05.DEF

You can validate your puzzle solution with certitude.
or
You can also check your answers for this puzzle on GeoChecker.com.