Best backpacking trips near San Marcos, CA

Ranked by straight-line distance from San Marcos (population ~94,833) to each trip's trailhead. Drive times are rough estimates — mountain roads are slower than they look.

San Marcos backpacking at a glance

Borrego Palm Canyon is the closest documented backpacking trip to San Marcos — the Borrego Palm Canyon Trailhead trailhead sits roughly 44 miles away, about 49 minutes by car. Of the 12 closest routes, 11 are within a two-hour drive of town, spanning Anza-Borrego Desert State Park, San Jacinto Mountains, San Gorgonio Wilderness, Channel Islands, Joshua Tree National Park and Los Padres backcountryTrailheads for these trips sit between 26 and 11,499 feet, so you can pick a low, warm-season start or a high alpine route depending on the month.

3 of these 12 routes need no wilderness permit — useful for spontaneous weekends. Across the twelve closest trips, the months hikers rate best are October, June, September.If you want the gentlest introduction, Borrego Palm Canyon climbs only 700 feet over 3 miles; the biggest single-trip climb nearby is Vivian Creek Trail to San Gorgonio at 10,800 feet of total gain over 15.6 miles.

#	Trip	Miles away	Est. drive	Distance	Gain	Difficulty	Permit
1	Borrego Palm Canyon Anza-Borrego Desert State Park	44 mi	~49 min	3 mi	700 ft	4	None
2	Devil's Slide to Wellman Divide San Jacinto Mountains	51 mi	~57 min	10.6 mi	3,300 ft	38	Required
3	Devil's Slide to San Jacinto Peak San Jacinto Mountains	51 mi	~57 min	16 mi	4,500 ft	65	Required
4	Momyer Creek to Dollar Lake Saddle San Gorgonio Wilderness	67 mi	~74 min	18.4 mi	4,560 ft	44	Required
5	Vivian Creek Trail to San Gorgonio San Gorgonio Wilderness	67 mi	~75 min	15.6 mi	10,800 ft	61	Required
6	Trans-Catalina Trail Channel Islands	68 mi	~76 min	38.5 mi	7,638 ft	49	Required
7	Forsee Creek to Johns Meadow San Gorgonio Wilderness	70 mi	~77 min	7.8 mi	1,600 ft	12	Required
8	San Bernardino Peak Trail San Gorgonio Wilderness	70 mi	~78 min	17.8 mi	9,300 ft	55	Required
9	South Fork Trail to Dry Lake San Gorgonio Wilderness	73 mi	~81 min	11.4 mi	4,400 ft	31	Required
10	Boy Scout Trail Joshua Tree National Park	85 mi	~94 min	15.6 mi	1,600 ft	14	Required
11	La Jolla Trail Los Padres backcountry	95 mi	~106 min	9 mi	—	10	None
12	Buck Creek Trail Los Padres backcountry	144 mi	~160 min	22.4 mi	—	45	None

Three ways to start backpacking from San Marcos

Closest trailhead: Borrego Palm Canyon — about 44 miles / 49 minutes from town.
Gentlest outing: Borrego Palm Canyon — difficulty 4/100 (Easy), 1–2 days.
Biggest adventure: Vivian Creek Trail to San Gorgonio — 15.6 miles and 10,800 ft of climbing.

Distances are great-circle miles from San Marcos to trailhead coordinates; actual road distances will be longer. Town data: Wikidata SPARQL (CC0), population values derived from U.S. Census Bureau estimates.

Backpacking near San Marcos: common questions

What is the closest backpacking trip to San Marcos?

Borrego Palm Canyon is the closest documented trip to San Marcos at roughly 44 miles (about 49 minutes of driving) from the Borrego Palm Canyon Trailhead trailhead.

Do I need a permit to backpack near San Marcos?

The closest documented trip, Borrego Palm Canyon, does not require a wilderness permit — but many other California routes do, so always check.

When is the best season to backpack near San Marcos?

For Borrego Palm Canyon — the closest trip to San Marcos — the best months are October, November, December, February, March.