Mountain Pass between Hoedspruit and Ohrigstad. Named after J. G. Strydom ,a well known Farmer and Civil Servant, from the days of the Transvaal Republic. There is a Tunnel named after him, in the Pass. 

Geolocation
30° 13' 12", -24° 8' 60"
References

New Dictionary of South Afican Names by Peter E Raper