">Marsh Trail Thomas Bros. Map: Page 1207, G-2. Before you go: Download a copy of the Marsh Trail map from Torrey Pines State Natural Reserve’s pages on hiking trails: . Go to the detailed map on the second page for the Marsh Trail. This trail is open only to hikers and joggers. Trailhead: From Interstate 5 heading north, exit at Genesee Avenue and head west, turning right onto North Torrey Pines Road. Continue north on North Torrey Pines Road; when the road hits the beach, the south entrance...
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