2 ), ▁American ▁sw immer ▁ ▁Rel ated ▁s urn ames ▁▁ ▁La f rance ▁( name ) ▁ ▁References ▁ ▁Category : F rench - language ▁s urn ames ▁Category : C zech - language ▁s urn ames ▁Category : S lo ven e - language ▁s urn ames ▁Category : American ized ▁s urn ames <0x0A> </s> ▁P orth ▁Nan ven ▁ ▁() ▁( most ▁well ▁known ▁as ▁Cot ▁Valley , ▁occasionally ▁known ▁as ▁Pen an well ) ▁is ▁a ▁beach ▁in ▁the ▁far ▁west ▁of ▁Corn wall , ▁United ▁Kingdom . ▁It ▁is ▁located ▁half - a - mile ▁west ▁of ▁the ▁town ▁of ▁St ▁Just . ▁ ▁The ▁beach ▁is ▁at ▁the ▁sea ward ▁end ▁of ▁the ▁Cot ▁Valley ▁and ▁is ▁part ▁of ▁the ▁A ire ▁Point ▁To ▁Car rick ▁Du ▁Site ▁of ▁Special ▁Scient ific ▁Interest . ▁ ▁P orth ▁Nan ven ▁has ▁sometimes ▁been ▁referred ▁to ▁as ▁' D in osa ur ▁E gg ▁Beach ' ▁in ▁the ▁media ▁because ▁of ▁a ▁remarkable ▁depos it ▁of ▁o void ▁b ould ers ▁covering ▁the ▁beach ▁and ▁for esh ore . ▁These ▁b ould ers ▁come ▁in ▁all ▁sizes , ▁from ▁hen ' s ▁egg ▁to ▁a ▁met re ▁or ▁more ▁in ▁length , ▁and ▁have ▁proved ▁so ▁tempt ing ▁as ▁sou ven irs ▁that ▁they ▁are ▁now ▁leg ally ▁protected ▁by ▁the ▁National ▁Trust ▁which ▁own s ▁the ▁beach . ▁ ▁Many ▁visitors ▁assume ▁that ▁these ▁weird ly ▁sh aped ▁b ould ers ▁are ▁the ▁work ▁of ▁the