As the sun began to set on a tense third day in Adelaide, Grandstand commentary duo Gerard Whateley and Chris Rogers went hunting for the perfect vantage point to bring the action to listeners.

With Australia and South Africa competing below, Whateley and Rogers donned their jumpsuits and harnesses and began to climb Adelaide Oval's stunning western stand.

The climb begins, with the famous Adelaide Oval hill and scoreboard providing the backdrop. ( Supplied: RoofClimb Adelaide Oval )

Once a comfortable position was reached, a new challenge was undertaken — to call the cricket from the roof of Adelaide Oval.

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"Peer group pressure is a wonderful thing," Whateley said.

Getting down to business... Josh Hazlewood trundles in as Gerard Whateley calls the action from above. ( Supplied: RoofClimb Adelaide Oval )

"The ground itself looks gorgeous from a height."

"It took a little while for us to get suited up, and I think I was more scared then," Rogers said.

Though a third of the field was obscured by grandstand, calling cricket from atop the western stand proved surprisingly comfortable. ( Supplied: RoofClimb Adelaide Oval )

"Once you get up here, it's absolutely beautiful. It's a great place to watch the cricket."

Climbing hundreds of stairs doesn't feel quite so tiring with views like these. ( Supplied: RoofClimb Adelaide Oval )

The two-over commentary stint passed without alarm, at which point things became substantially hairier.

The trek from the western stand to the southern includes a stint on the steepest of perches, behind the bowler's arm at the Riverbank End.

Gerard Whateley hangs above the southern stand as the sun sets over Adelaide Oval. ( Supplied: RoofClimb Adelaide Oval )

The most daring of climbers are encouraged to rock back at the highest point, suspended only by the harnesses around your waist, and pose for a photo.

Whateley and Rogers opted for the far more sensible option.

Chris Rogers stands precariously over Adelaide Oval as play goes on below. ( Supplied: RoofClimb Adelaide Oval )

But the view from atop the stand was undeniably breathtaking, especially as the sky turned a tinge of pink as the sun set.

Is there a more beautiful sight in cricket? ( Supplied: RoofClimb Adelaide Oval )

As the day-night Test looks set to become an annual showpiece event, it remains to be seen if Grandstand will opt for a complete relocation of the commentary box next summer.