Hiking in sierra de mijas.la sierra de mijas is a mountain range in southern spain, part of the coastal mountain range that lies behind la costa del sol occidental. It separates the valle del guadalhorce region from la costa del sol. The highest point is “pico de mijas (1150mts)”. Geologically it is located in the inner part of la cordillera bética and is mostly composed of marble and, to lesser extent, limestone. in the year 1831 the overall torrijos crossed this mountain range with 60 soldiers to start a rebellion against the absolutism from the spanish king fernando vii. But they were captured in alhaurín de la torre and shot in the sa .