Pros & cons
PROS
- Long, open ridge walking uncommon elsewhere in Acadia
- Often quieter than Jordan Pond approaches with equally grand views
CONS
- Frequent fog can erase views and make navigation feel high-stakes
- Parking at Brown Mountain Gatehouse can fill early due to carriage road use
Brown Mountain Gatehouse parking area; arrive early as it fills with carriage road users.
Exposed granite ridge with frequent fog; navigation follows cairns across open ledges. Wind, sun, and winter ice are common; rocky footing throughout.
Why hike it
If you’re after big views without the Jordan Pond crowds, this is your line up Sargent Mountain. The South Ridge gives you sustained, open ridge walking—rare in Acadia—on glacially sculpted granite with long looks toward Penobscot Mountain, Somes Sound, Lower Hadlock Pond, and the Atlantic.
Route and difficulty
From the Brown Mountain Gatehouse, it’s about 5.5 miles total (round trip) with roughly 1,350 feet of steady gain. Expect moderate-to-strenuous effort thanks to continuous climbing and rocky footing, but there are no iron rungs or true scrambles. Wayfinding across open ledges relies on cairns in places.
What you’ll see
The hike begins in pleasant forest and quickly rises onto Sargent’s broad, rocky spine for panoramic, 360-degree scenery near the top. Keep an eye out for classic granite ledges shaped by ice, occasional exposed cliffs, and seasonal treats like wildflowers and low-bush blueberries in late summer. You can easily link to neighboring ridges for bigger days over Penobscot, Cedar Swamp, or via the Amphitheatre.
Best time to hike
Late spring through fall is the sweet spot, with June–October offering the most straightforward conditions. Summer brings clear views but heat and bugs; autumn swaps in cooler air and standout foliage. In winter, only experienced hikers should attempt it—the ridge is exposed, windy, and can glaze with ice, so traction is essential.
Trailhead and parking
Park at the Brown Mountain Gatehouse. It serves carriage road users too, so spots fill early; arrive on the early side, especially on weekends and in peak season.
Know before you go
Fog is common on Sargent’s ridge. When visibility drops, you’ll be thankful for the cairns—bring a map and download your route. The ridge is exposed to sun, wind, and fast weather shifts; pack layers, water, and real hiking footwear. Dogs are allowed on leash. A park entrance pass is required and should be displayed in your vehicle.
Elevation
5.5 mi · 4 hrWhere it starts
44.3128, -68.2854Wildlife on this trail
Near Sargent South Ridge Trail
All places →All trails →
0 mi awaySargent Mountain South Ridge TrailOpen granite ridge to Acadia’s second-highest, with room to breatheModerate · 5.5 mi · 3.5 hr
0 mi awayLower Hadlock Pond TrailQuiet pond-and-forest loop with boardwalks and easy strollingEasy · 2.4 mi · 1.2 hr
0.1 mi awayLower Hadlock TrailShady, quiet loop circling Lower Hadlock Pond with easy footingEasy · 1.7 mi · 1 hr
0.1 mi awayBrown Mountain GatehouseStorybook gatehouse and a quiet gateway to the carriage roadsTrailhead · Parking
0.5 mi awayAsticou Azalea GardenA serene Japanese-inspired garden of blooms and reflectionsParking · Scenic Viewpoint
0.5 mi awayAsticou Brook PathShady brookside stroll by Asticou Garden—quick, calm, and prettyEasy · 1 mi · 30 min
0.6 mi awayUpper Hadlock PondSerene roadside pond with carriage roads and mirror-like reflectionsTrailhead · Pullout
0.9 mi awayNorumbega MountainSteep, quieter loop with Somes Sound views below a wooded summitTrailhead · Pullout
