A very accurate knowledge of the fission barrier shapes is necessary to predict the spontaneous fission life times of nuclei. Using the Strutinsky macroscopic--microscopic method we have performed calculations of the potential energy for even--even transuranic nuclei. The shell and pairing corrections are evaluated using the single-particle energies of the relativistic Woods-Saxon potential [1]. The microscopic corrections are added to the macroscopic energy obtained with the Lublin Strasburg Drop (LSD) model [2] to obtain the total potential energy in the multidimensional space of deformation parameters.

PACS numbers: 21.30.Fe, 21.60.-n, 71.10.Li