Using simple methods like tank banks, low-flow showerheads and faucet aerators you can retrofit your home for under$50. By using water-saving features you can reduce your in-home water use by 35%. This means the average household, which uses 130,000 gallons per year, coulod save 44,00 gallons of water per year.
Specifically, Serra Da Estrela ['Mountain Range of the Star'] is the highest mountain on mainland Portugal. At its highest point, it measures 6,539 feet/1993 meters above sea level.
1 PÃ­ncaro Serra do Risco, Portugal, 381 m above Atlantic Ocean is the highest sea cliff in Continental Portugal.  The Kame, Foula, Shetland Islands, Scotland, 378 Metres above sea level, and the second highest sea cliff in Scotland.