Two Ocean Plateau Trail in Yellowstone National Park

Yellowstone National Park, WY · MT · ID

Two Ocean Plateau Trail

A remote 11.7-mile traverse through Yellowstone’s Two Ocean Plateau.

Length
11.7mi
Time
8hr
Elev. change
1,575ft
Difficulty
Challenging
  • No dogs
  • High point 9,350 ft
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Overview

About Two Ocean Plateau Trail

Why go

  • A long traverse from ridge country into the Chipmunk Creek valley.
  • A rare route across Yellowstone’s remote southeast plateau.

Heads up

  • One-way route with no road access at either end; it needs a larger backcountry itinerary.

Map & elevation

The route

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Full map
Elevation7,776–9,350 ft
TrailheadSouth Boundary–Lynx Creek junction near Plateau Creek44.15185, -110.26017
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Plan your hike

Before you go

Parking

Neither endpoint has road parking. The south start is a remote junction with the South Boundary–Lynx Creek Trail near Plateau Creek; the north end meets Trail Creek Trail. Arrange access and an exit through the surrounding backcountry trail network.

Best time to go

The route lies in Yellowstone’s Two Ocean Bear Management Area. From March 10 to July 14 and August 22 to November 10, travel is limited to designated trails; from July 15 to August 21, off-trail travel requires a permit. This is a high-elevation backcountry route, where snow can linger into early summer and streams rise with snowmelt, so check current conditions before planning a trip. Pets are not allowed on park trails or in the backcountry.

Safety

Remote point-to-point route with no road access at either end. Overnight stays require a backcountry permit and designated campsite. In the Two Ocean Bear Management Area, stay on designated trails March 10–July 14 and August 22–November 10; off-trail travel July 15–August 21 requires a permit. Pets are prohibited on park trails and in the backcountry.

5 active Yellowstone alerts

  • ClosureBiscuit Basin closed after hydrothermal explosionBiscuit Basin’s parking lot, boardwalk, and Firehole River are closed to all travel.Official details
  • ClosureMost Yellowstone roads close to regular vehicles November 1Most Yellowstone roads and the West, South, and East entrances are scheduled to close to regular vehicles November 1, 2026, as the park prepares for winter operations.Official details
See all 5 alerts
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Parkwolf Tour GuideThe highest, rockiest slopes around here are a summer buffet for grizzly bears.

Yellowstone Tour Guide

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Trail guide

Hiking Two Ocean Plateau Trail

The through-routeTwo Ocean Plateau Trail is an 11.

Two Ocean Plateau Trail is an 11.7-mile, one-way backcountry traverse from the South Boundary–Lynx Creek junction near Plateau Creek to Trail Creek Trail south of Yellowstone Lake. It crosses the western foothills of the Continental Divide: the southern part climbs to a ridge near 9,350 feet, drops into a narrow valley, then continues on gentler ground beside Chipmunk Creek. Plan around eight hours on foot, before adding the time you need to reach and leave either end.

Is it a fit?The appeal is the crossing itself, moving from a high ridge into a remote creek valley.

The appeal is the crossing itself, moving from a high ridge into a remote creek valley. This is a long connection between two backcountry trail systems, not a loop or a day hike from a parking lot. Neither end has road access, so build it into a longer itinerary and arrange your exit before you start. Keep the route available offline; there is no quick drive back if plans change.

Access and overnight plansThe south end meets the South Boundary–Lynx Creek Trail; the north end joins Trail Creek Trail.

The south end meets the South Boundary–Lynx Creek Trail; the north end joins Trail Creek Trail. The 11.7 miles cover only this named route, not the additional walking needed to reach a road or another access point. An overnight trip requires a backcountry permit for a designated campsite.

Wildlife

Wildlife in Yellowstone

All Yellowstone wildlife maps

Sighting maps show where each species has been reported across Yellowstone. Wildlife moves, so no sighting is guaranteed.

Parkwolf’s Yellowstone ranking

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