Where the trees end and meadows be...

The elevation where trees stop growing. It is usually between 9,000 and 10,500 feet.

In mountains, the highest-altitude edge of forest that marks the beginning of the treeless alpine tundra.

The maximum elevation at which trees can survive -- the end of the trees -- because the cold and wind are too severe for trees to survive. Around Las Vegas, timberline forms the boundary between the Bristlecone Pine Forest and the Alpine life zones.

The upper limit of tree growth in an area

Where the trees end and meadows begin.

the upper limit of tree growth in mountains or high latitudes