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California
15.7 mi
Distance
3,061 ft
Gain
No conditions check on file for this trail yet — always verify current conditions before you go.
Why you'll love it
Tunnel
AI-suggested draft · review before you go
No permit or access details on file for this trail — check with the local land manager before you go.
Tunnel Trail is a challenging 15.69-mile route that gains over 3,000 feet of elevation, offering hikers a substantial day-long adventure through California's diverse terrain. This hard-difficulty trail tests endurance and fitness while rewarding hikers with extended views and a sense of accomplishment. The sustained elevation gain and distance make this a popular choice for experienced hikers seeking a full-day wilderness experience.
Jesusita
~2 min drive
Moderate 8.6-mile Santa Barbara foothills hike with 1,894 ft elevation gain.
Rattlesnake
~2 min drive
Steep 4.8-mile climb with 2,000 ft gain in Rattlesnake area.
Caliente
~17 min drive
Short, easy hike near Caliente with minimal elevation gain.
Cold Spring
~6 min drive
Challenging 18.85-mile backcountry trek with 3,471 ft elevation gain.
West Fork Cold Spring
~4 min drive
Accessible foothill trail with creek drainage and moderate elevation gain.
Tequepis
~26 min drive
Easy 1.1-mile hike with 326 ft elevation gain near Tequepis.
Matias Potrero
~8 min drive
Moderate 9.43-mile backcountry hike with 1,427 ft elevation gain.
Gibraltar
~8 min drive
Steady moderate climb with mountain views near Santa Barbara.
Murietta
~31 min drive
Easy 1.86-mile trail with minimal elevation gain near Murrieta.
San Ysidro
~9 min drive
Strenuous 8.94-mile climb with 3,772 ft elevation gain near San Ysidro.
