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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Big John Bay Trail

Camp under a mile away

3.7 mi out & back · 542 ft gain · 133 ft high point · Moderate

AK · U.S. Forest Service

About Elevation Map Camp near here More hikes

About this hike

Big John Bay Trail is a 3.7 mile out and back route with 542 feet of climb.

Elevation

542 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.1 mi from the trailhead
Big John Bay Cabin
Campground · AK

More hikes nearby

Ranked the same way, within twenty-five miles.

17 mi from you
Portage Mountain Loop Trail
- Passes a waterfall
- Inside Petersburg Creek-Duncan Salt Chuck Wilderness
- 1,606 ft of climbing
21.7 mi out & back · 1,606 ft gain · Very hard
Petersburg Creek-Duncan Salt Chuck Wilderness · Camp under a mile away
24 mi from you

Out: 190 ft up, returns the same way. Source: USGS 3DEP.

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 3.7 mi
Shape: Out & back
Gain: 542 ft round trip
High point: 133 ft
Low point: -6 ft
Difficulty: ModerateFrom 3.7 mi and 542 ft of climbing
Managed by: U.S. Forest Service
State: AK
Camps within 15 mi: 5
Trailhead: 56.8454° N · 133.6900° W

Get directions Open the map

12.0 mi from the trailhead

Towers Arm Cabin

Campground · AK

12.0 mi from the trailhead

Kadake Bay Cabin

Campground · AK

Petersburg Lake Trail

Near a waterfall
1,733 ft of climbing
Camp 3 mi away

18.2 mi out & back · 1,733 ft gain · Very hard

AK · Camp 3 mi away

Hamilton Creek Trail

Inside Tongass National Forest
Camp 2 mi away

2.2 mi out & back · 749 ft gain · Moderate

Tongass National Forest · Camp 2 mi away

Castle River Trail

Inside Tongass National Forest
Camp under a mile away

2.1 mi out & back · 117 ft gain · Easy

Tongass National Forest · Camp under a mile away

Threemile Arm Portage Trail

Inside Tongass National Forest

4.8 mi out & back · 481 ft gain · Moderate

Tongass National Forest · Camp 10 mi away

Bay of Pillars Portage Trail

Inside Tongass National Forest

3.0 mi out & back · 418 ft gain · Easy

Tongass National Forest · Camp 10 mi away

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8.2 mi out & back · 2,026 ft gain · Hard
AK · Camp under a mile away
Deer MT - John Mountain Spur
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- 6,921 ft of climbing
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Bear Creek Trail
- Inside Chugach National Forest
- 1,856 ft of climbing
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7.3 mi out & back · 1,856 ft gain · Hard
Chugach National Forest · Camp 3 mi away
Cross Trail
- Near Harbor Peak
- 2,449 ft of climbing
9.9 mi out & back · 2,449 ft gain · Hard
AK · Camp 5 mi away

Weather

7-day forecast

Today49°44°Light Rain
Wed50°39°Showers And Thunderstorms
Thu46°36°Light Rain Likely
Fri44°36°Cloudy
Sat46°36°Chance Light Rain
Sun46°35°Light Rain Likely
Mon44°35°Light Rain Likely

Today: Light Rain · wind 15 mph SE

National Weather Service · refreshed hourly

Signal

Cell coverage here

AT&TNo signal

FCC coverage data · signal varies in remote terrain