Although the calculated terrain rating is 2.5 to 3 it is indeed doable with small kids, tested with 3 and 6 yers old. You need to watch them carefully just at the Initial that can get slippery after rain or while raining..
The stages will lead you through the park to places important for the De Vere family who used to own the estate, now in Coillte property..
Initial
The listing location is the first stage. Just several dozen meters from the main Curragh Chase car park, you will find a big grave stone with a high Celtic Cross. Many family members of the De Vere family were apparently buried here. You will also have nice view of the conservated De Vere house.. 
as the cross seems to have been planted here as memento mori for the house inhabitants. Beware! The grave stone is on a rock that can get slippery after rain. Be careful, especially with kids..
To 2nd stage
One of the family members commemorated on the pedestal served with Royal Engineers and his birth and death dates are as follows respectively:
1E. OCT 1DED
EE. AUG. 1D6B
Another person who served with Royal Navy was born on
E0. APR 1DEA
And died on
E. FEB 1D6F
Finally, one lady was born on
E0. FEB 1DE0
And died on
EC. FEB 1DAC
The 2nd Stage is at
N 52°35 .CEE'
W 8°5E.AAF'
To Optional Stage
An optional stage is at
N 52° 35.ADD'
W 008° 5E.ECF'
Optional Stage
How many steps? KM.
2nd Stage
You find another gravestone. Add cats and dogs to horses and subtract D to get G.
The next stage is at
N 52° 35.CDG’
W 008° 5E.CED’
3rd Stage
You find the place where the poet meditated. How many letters has the inscription on the slab in total? Do NOT count spaces or quotes. Call the number H.
The next stage is at
N 52° 35.H’
W 008° 5E.D’
4th Stage
You will find another memorial. The commemorated person – who served in B colonial appointments and was allegedly a friend of all in need – died in the year KLMN.
The final stage is at
N 52° 35.((MLL)+2)’
W 008° 5K.LN(N/2)’