All Trails

Mailbox Peak — New Trail

North Bend, WA · 47.468, -121.674

Seattle's favorite sufferfest. 9.4 miles round trip with 4,000 ft gain. The old trail gains that in just 2.5 miles. Mailbox at the summit.

StrenuousPacific NW4,822 ftForestedSummitSummit views

Mailbox Peak — New Trail

⛅ Overcast

Good to Go
64°
Feels 64°FSummit · 4,822 ft
6:26 AM7:47 PM
CLEAR

Wind

1mph

Precip

17%

Humid

68%

Elev Δ

+3800ft

12-Hour Temp Trend

55°63°

Hourly Forecast

11 PM

⛅

60°

4mph

12 AM

⛅

58°

4mph

1 AM

⛅

58°

5mph

2 AM

⛅

58°

5mph

3 AM

☀️

57°

5mph

4 AM

⛅

56°

7mph

5 AM

☀️

56°

6mph

6 AM

☀️

55°

4mph

7 AM

☀️

55°

3mph

8 AM

⛅

60°

3mph

9 AM

⛅

63°

2mph

10 AM

⛅

62°

4mph

Summit Conditions

85°F→−21°→64°F

Dry lapse rate: 5.4°F/1,000ft · 3,822 ft gain

◎L1
Synthetic/merino blend long sleeve

150g merino or synthetic blend for moisture management

◉L2
Light fleece or vestPACK

Microfleece pullover — pack it, don't wear it at the trailhead

Summit Pack List

↟Light fleece↟Wind shell

Start Cold Tip

Start in just your base layer — you'll warm up within 10 minutes on the trail. Keep your fleece accessible in the top of your pack for the summit.

Trail Guide

Updated 10:38:57 PM · America/Los_Angeles

Updated Sep 1, 10:38 PM UTC

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