Kings Park was swamped by people on Saturday night with more than 40,000 flocking to catch a glimpse of the Perth International Arts Festival spectacular event Boorna Waanginy: The Trees Speak.
Predictions of 30,000 visitors by PIAF organisers proved well short of the mark with free shuttle buses transporting punters to the show's start at Fraser Avenue entrance filled to the brim from 7.30pm onwards.
The huge attendance numbers were unprecedented, and caused a bottle-neck effect for those hoping to begin their walk through the arts installation at 8pm.
The swell in attendance was due in part to a damning weather forecast on the opening night night, however there was still 12,000 visitors who participated in the walk-through on Friday night, despite the poor weather.
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Artistic Director Wendy Martin said the numbers were a result of the event going 'crazy' on social media.
"We had been very nervous on Thursday and Friday night with the pending weather reports, but it was almost like someone was on our side," she said.
"The clouds cleared and it didn't rain at all [on Friday], and then last night we had around 40,000 people turn up.
"We think people are being blown-away by the show, and I think we can expect big numbers again tonight."
The walk-through, family-friendly art show explores the six seasons of Nyoongar culture in South West WA, and is powered by powerful 20,000-lumen projectors that deliver sound and light over about 1.5 kilometres.
It was supposed to take visitors about 45 minutes to walk from Fraser Avenue through the centre of Kings Park and towards the memorial lawns by the lake however, some people reported this time being extended to close to two hours due to the packed crowd.
Ms Martin said those hoping to attend the show on its final evening on Sunday night shouldn't worry about making the 8pm start time.
"You can enter the walk at 8pm, but the entrance cut off is at 10.30pm," she said.
"Last night it was slow to get the first groups through because a lot of people arrived at exactly 8pm.
"I arrived at 9.30pm, and I could stroll through it at my leisure - the walk takes as long as you want it to take."
Perth International Arts Festival organisers have advised Kings Park will be closed to vehicles, and public transport and free shuttle buses are available to the public from the Elizabeth Quay Bus Port to Kings Park.
The show opens its doors at 8pm for the final time on Sunday evening.