Well, it's been a while. My last event here was December 22nd 2019, and my archiving post cheerfully read "Roll on 2020". Quite.
Herbert Park was once called the Forty Acres, and used as bleaching grounds for linen produced by the mills on the nearby Dodder. In 1907 it was the site of the Irish International Exhibition, with 2.75 million visitors between May and November of that year. None of the enormous pavilions remain now, but today's duckpond was the splashpool for the Canadian Water Chute (the water's quite chilly, or it was when I fell into it as a small child).
There's a farmer's market here until 4.00pm, so you can probably grab a warming beverage if you're early. If it's raining, the bandstand is there for shelter. So bring yourself, your caching stories and your trackables - it'll be great to see you! The park even has a few new caches to find.
The park is open 24 hours a day, though some of the gates close in the evening - the waypoints show the ones that will definitely be open.