ON 12/10/82, THE STUDENT PLT DEPARTED ON A SUPERVISED SOLO X-COUNTRY FROM MOUNDSVILLE, WV TO HUNTINGTON, WV, WHITE SULPHER SPRINGS, WV AND BACK TO MOUNDSVILLE. WX CONDS DETERIORATED DRG THE 1ST 2 LEGS OF THE FLT AND THE STUDENT'S FLT INSTRUCTOR (CFI) TOLD HIM TO WAIT FOR THE WX TO IMPROVE. THE STUDENT OBJECTED, BUT RMND OVR NGT. WHEN THE WX DID NOT IMPROVE THE NEXT DAY, THE STUDENT INSISTED HE COULD NOT REMAIN ANOTHER DAY. THE CFI APPROVED A FLT ACROSS THE NEXT RIDGE TO LEWISBURGH, WV, NOT BEYOND, AND SAID HE WOULD ATMT TO PICK HIM UP IN THE AFTERNOON. AFTER THE STUDENT ARRIVED AT LEWISBURGH, THE WX WORSENED (ICG CONDS) & THE CFI CANCELED HIS FLT TO PICK UP THE STUDENT. THE STUDENT INDCD HE WOULD FIND A PLACE TO STAY OVR NGT & TOLD THE CFI HE WLD CALL IN 1-2 HRS. WHEN THE CFI DID NOT GET A CALL, HE INITIATED A RAMP CHECK, THEN A SEARCH. THE STUDENT'S PLANE WAS FOUND WHERE IT FLEW INTO THE SIDE OF A MTN AT NGT. NO PREIMPACT FAILURE OR MALFUNCTIONS WERE FOUND WITH THE AIRFRAME OR ENG.