Geneva 15.7%. Of the agricultural land, 0.3% is used for growing crops. Of the water in the municipality, 0.2% is composed of lakes and 2.9% is rivers and streams. The altitude of Geneva is , and corresponds to the altitude of the largest of the Pierres du Niton, two large rocks emerging from the lake which date from the last ice age. This rock was chosen by General Guillaume Henri Dufour as the reference point for surveying in Switzerland. The second main river of Geneva is the Arve, which flows into the Rhône just west of the city centre. Mont Blanc
The Geneva School as state runners-up.<br> <br> The Geneva School expects to continue its athletic success in a number of sports including girls' volleyball and boys' cross country (currently ranked 3rd are soccer, basketball, softball, tennis, and track and field teams in Florida). Also expecting success are soccer, basketball, softball, tennis, and track and field. The Geneva School has recently begun a capital campaign called "A Legacy Worth Building" in which it hopes to raise the funds needed to build facilities on newly purchased land. The parcel on Seminola Boulevard in Legacy Park, Casselberry, Florida, will house academic, sports, recreational, and performing arts