Route 521 - Climbs of Carlsbad & San Marcos = 36 miles.
Hill lover's delight. I threw as many climbs as I couild fit in at this distance.
0.0 R Hidden Valley 0.4 R Camino de las Ondas 0.5 L Seascape 0.7 L Buttercup 0.8 R Batiquitos 3.2 R Hummingbird 3.6 L Lupine 3.6 R Mimosa 3.7 L Geranium 3.8 R Columbine 3.9 L Arenal 4.1 L Estrella del Mar 4.8 R Alga 5.1 R Alicancante 6.0 R Corte de la Vista 6.4 U Corte de la Vista 6.5 R Borero 7.0 R El Fuerte 7.4 R Corintia 9.0 R Melrose 10.1 L San Elijo 12.6 L Double Peak 13.7 U Double Peak 14.9 R San Elijo 17.4 R Melrose 18.5 R Rancho Santa Fe 20.2 R Lk San Marcos 20.4 L San Marino 20.7 L San Pablo 21.1 R San Pablo 21.9 L La Granada 22.2 R La Plaza 23.5 L San Pablo 24.3 L San Marino 24.6 L San Marino 24.9 R Hermosita 25.1 R Camino del Arroyo 25.3 = Lake Ridge 26.1 R Viewpoint 26.3 L San Marcos
27.2 R Business Park 27.4 L Lionshead 28.3 R Melrose 28.8 L Faraday 30.2 R Orion 30.5 R Orion 30.6 L Impala 30.8 R Palmer 31.1 L Cougar 31.2 R El Camino Real 32.6 L College 33.2 L Hemmingway 33.9 R Twain 34.1 U Twain 34.2 L Tolkien 34.6 L Whitman 34.8 R Faraday 34.9 L Cannon 35.4 L Grand Pacific 36.0 R Hidden Valley 36.9 R Poinsettia Park