Halter Ranch farms in Paso Robles' Adelaida District — limestone soils, big diurnal temperature swings, and a coastal influence through the Templeton Gap. The Ancestor bottling is named for a very old coast live oak on the property, and it is the estate's flagship red. The 2019 has both ripeness and structure. Decant an hour ahead; this is built for a good dinner rather than a Tuesday.