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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

Coffee Cup Lake

Ends at Coffee Cup Lake
Inside Payette National Forest
1,966 ft of climbing

6.1 mi out & back · 1,966 ft gain · 7,891 ft high point · Hard

From Grassy Mountain Trailhead via Grass Mountain and the Grassy Mountain Trail (2.5 mi)

In Payette National Forest · Idaho · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

This out and back trail reaches Coffee Cup Lake in Payette National Forest, starting from Grassy Mountain Trailhead via Grassy Mountain Trail.

Elevation

1,966 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

2.4 mi from the trailhead
Hazard Lake
Campground

More hikes nearby

Ranked the same way, within twenty-five miles.

23 mi from you
Copper Creek
- Summits Sheep Rock
- Inside Payette National Forest
- 2,505 ft of climbing
5.6 mi out & back · 2,505 ft gain · Hard
Payette National Forest · Camp 8 mi away

Out: 1,190 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Coffee Cup LakeDestination · 3.0 mi in
Hard BenchmarkNearby · 1.0 mi in
Grass Mountain LakesNearby · 1.3 mi in

Map

The hike from its start, the approach dashed. 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: 6.1 mi
Shape: Out & back
Gain: 1,966 ft round trip
High point: 7,891 ft
Low point: 6,843 ft
Difficulty: HardFrom 6.1 mi and 1,966 ft of climbing
Managed by: U.S. Forest Service
State: Idaho
Camps within 15 mi: 7
Start: Grassy Mountain Trailhead
Trailhead: 45.1768° N · 116.1788° W

Get directions Open the map

7.5 mi from the trailhead

Grouse Campground

Campground · Idaho

8.2 mi from the trailhead

Upper Payette Lake Campground

Campground · Idaho

17 mi from you

Sampson Spring

Summits Cannon Ball Mountain
Inside Nezperce National Forest
5,990 ft of climbing

13.9 mi loop · 5,990 ft gain · Very hard

Nezperce National Forest · Camp 14 mi away

Jackley Mtn.

Summits Bryan Mountain
Inside Nezperce National Forest
8,032 ft of climbing

18.7 mi out & back · 8,032 ft gain · Very hard

Nezperce National Forest · Camp 15 mi away

Hard Butte Lookout

Summits Hard Butte
Inside Payette National Forest
6,086 ft of climbing

22.0 mi loop · 6,086 ft gain · Very hard

Payette National Forest · Camp 2 mi away

Lava Ridge National Recreation Trail

Summits Hershey Point
Inside Payette National Forest
5,446 ft of climbing

21.9 mi out & back · 5,446 ft gain · Very hard

Payette National Forest · Camp 4 mi away

Maki Lake

Ends at Maki Lake
Inside Payette National Forest
3,655 ft of climbing

9.5 mi loop · 3,655 ft gain · Very hard

Payette National Forest · Camp 5 mi away

More like this

Hikes that read like this one, wherever they are.

Grassy Mountain Trail
- Ends at Coffee Cup Lake
- Inside Payette National Forest
- 1,949 ft of climbing
6.3 mi out & back · 1,949 ft gain · Hard
Payette National Forest · Camp 2 mi away
Frog Lake
- Ends at Grass Mountain Lakes
- Inside Payette National Forest
- Camp 4 mi away
1.9 mi out & back · 596 ft gain · Easy
Payette National Forest · Camp 4 mi away
Deep Creek
- Ends at Granite Lake
- Inside Payette National Forest
- 2,663 ft of climbing
9.4 mi out & back · 2,663 ft gain · Hard
Payette National Forest · Camp under a mile away
Lake Point
- Summits Lake Point
- Inside Payette National Forest
- 2,787 ft of climbing
4.9 mi out & back · 2,787 ft gain · Hard
Payette National Forest · Camp 7 mi away

Weather

7-day forecast

Today40°27°Mostly Cloudy
Wed41°28°Mostly Sunny
Thu33°26°Chance Light Snow
Fri35°29°Partly Sunny
Sat42°35°Mostly Sunny
Sun42°35°Partly Sunny
Mon41°34°Mostly Cloudy

Today: Mostly Cloudy · wind 3 to 8 mph S

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Poor

FCC coverage data · signal varies in remote terrain