A strong guardian of the region, a witness of history, and a bearer of blessings. The Mēru Grand Oak was probably mentioned in a quote of an old story: “After the Northern War, the plague raged around, killing all living creatures, except two people who survived, climbing up an oak”.
Mēru Grand Oak is considered to have the largest canopy in the Baltics. As per the latest measurement taken in 2024, the crown projection is 16.6 m northwards, 17 m southwards, 22.2 m eastwards, 16.8 m westwards. The crown's diameter spans 39 m east-west and 33.6 m north-south. The crown projection area is 0.1 ha.