Designation for vineyards with a certain gradient or Tilt which mostly produce better quality wines due to several causes. The great advantage of slopes especially in viticulture was recognized early on. in the antique Rome, there was the winged word "Bacchus amat colles" ( Bacchus loves the hills). In general, vineyards with 5 to 20% (~ 12 °) slope as a hillside and above it as a steep slope or slope. In Germany, around 60% of the vineyards are laid out on slopes or steep slopes. To the steepest positions counting the world Dézaley (Vaud Switzerland), as well as locations in the growing areas Moselle (Germany) and Wachau (Austria) with up to 100% inclination (45 °). This results in a much more intense solar irradiation, most with a south-facing steep slope. Of course, too soil type and climate a significant role. In such vineyards come often Monorackbahnen (Single rail cog railways) used.