I am playing at Sunningdale tomorrow so I will take careful note and report back (on the Old Course).
At Huntercombe, there are only about twelve bunkers, spread over nine holes, roughly as follows:
5th: shallow bunker, left centre of fairway, 70 yards short of green.
7th : three pot bunkers on right side of the green.
10th - one bunker protecting right front of the green.
11th - bunker across fairway of short par 4 at 240 yards
12th - bunker protecting front right of the green
14th - 20 yards short of green, on the right
16th - greenside bunkers on the right
17th - chain of three bunkers across the front of driveable par 4.
18th - fairway bunker on right elbow.
It is possible these have changed over the 104 years since they were built, but none of them qualify now for being described as pits. The ones on the 17th are quite deep in relation to the green, but generally they are not particularly severe.
On a number of holes - 3,5,6,9,13,14,15,16 and 18 - there are some very fine grass bunkers which give the course much of its links style feel.
The reason there are so few bunkers, I think, is that the soil is quite heavy clay (in contrast to Sunningdale, which is sandy and has a lot more bunkers).