Pico da Neblina is the highest mountain in Brazil. It shares its northern slopes with Venezuela. Neblina is Portuguese and Spanish for fog. The mountain was first ascended in 1965 by members of the Brazilian army. A topographical summit is a point on a surface which is higher in elevation than all points immediately adjacent to it. ... Latitude, denoted by the Greek letter φ, gives the location of a place on Earth north or south of the Equator. ... Map of Earth showing curved lines of longitude Longitude, sometimes denoted by the Greek letter λ, describes the location of a place on Earth east or west of a north-south line called the Prime Meridian. ... The most general definition of a mountain range is a group of mountains bordered by lowlands. ... Guiana (also known as the Guiana highlands or the Guiana shield) forms a portion of the northern coast of South America. ... In climbing, a first ascent (FA) is the first climb to reach the top of a mountain, or the first to follow a particular climbing route. ... Southern and northern Mount Everest climbing routes as seen from the International Space Station. ... Mount McKinley in Alaska has one of the largest visible base-to-summit elevation differences anywhere A mountain is a landform that extends above the surrounding terrain in a limited area. ... Early morning fog obscures the surface of this lake in Carrollton, Georgia, but the sky remains clear. ...