Between April and December 2002 a research work was made in Cañas Island, on the Pacific Ocean in Panama with the objective of documented several aspects of nesting process and raising a morphornetric information about the nesting female, egg and nests m Lepidochelys olivacea. Sorne night trips was made to get this information, sorne turtie in process of nestling was found. The length and width of the carapace was measured, also the average of eggs which they could lay was determined in the investigation, the size of the nests and the place in the beach where they were made, as soon as the-time used by the turtle in the nesting process. These turtie have average size of 66.9 cm of Iength curved; and 70.47 of width. The nesting process has an average of 44.6 minutes. They retard 17.17 minutes in excavating the bed and nests and 16.2 minutes in laying the eggs. The nests excavate mainly in the upper place of the beach, on sand without vegetation, with deep average of 40.02 cm, and a diarneter of 21.49 cm on the surface and in the depth of the nests they excavate sorne rooms from 3 to 6 cm superior the diameter of the surface in which the turtie ¡ay an average of 105.9 eggs, these have weight average of 32.54 g and diameter of 3.75 cm.