Ar Rass

Geography

Rass has a typical Nejdi terrain, with sand dunes surrounding the town's sides, except for the western and southern sides, which are occupied by Bedouin settlements. The Wadi al-Rummah (Rumma Valley) crosses the city from its southern side to its north-eastern side. There are several medium-height plateaus, and low-height mountains surrounding the town, mainly on the southern side, which are called "Jebel Algoshie" by locals. There are several old ruins of a place by the name of "Shinanah". These were old fortifications used in battles between Al-Saud and Al-Rashid The town of Rass has a typical desert climate, known for its cold winters and hot and aneroid summers, with low humidity. The average temperature during winter is between -3° and 21°C. June, July, August, and September are the hottest months. In summers the degree could reach extreme levels (between 39° and 50°).

Most-observed species

• African Baconfig

  Aizoon canariense L. · Magnoliopsida
  3
• Devil's Flower Mantis

  Blepharopsis mendica (Fabricius, 1775) · Insecta
  1
• Seaside Heliotrope

  Heliotropium curassavicum L. · Magnoliopsida
  1
• linearleaf combess

  Oligomeris linifolia (Vahl ex Hornem.) J.F.Macbr. · Magnoliopsida
  1
• Redtrim Bug

  Scantius forsteri (Fabricius, 1781) · Insecta
  1
• Red-leaved rock fig

  Ficus ingens (Miq.) Miq. · Magnoliopsida
  1
• Taily Weed

  Ochradenus baccatus Delile · Magnoliopsida
  1
• Pycnodactylopsis tomentosa Alonso-Zarazaga & Lyal, 1999

  Pycnodactylopsis tomentosa Alonso-Zarazaga & Lyal, 1999 · Insecta
  1