Yes, the one I was talking about is Newport Coast, but I don't think it is that difficult. The other South County routes that I consider more difficult, like the people outside southern CA really care ... , are:

Spyglass Hill, El Capitan, Vista Ridge, Ridgepark, Pacific Island Drive

And for good measure, the ones in Palos Verdes (south "knob" of LA county, where Marineland used to be) are:

Via Del Monte, Granvia Altamira, Highridge, Whitley Collins
Via Coronel, Via Zumaya, Via Fernandez
Palos Verdes Drive S, Crest Rd
Palos Verdes Drive W, Silver Spur, Montemalaga, (back to) Granvia Altamira

and of course ... Sunnyridge (a lungbuster where I do need to bail to a 39-25 ... or I'm dead).

Best.