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
53°
Feels 53°FSummit · 4,822 ft
5:11 AM8:58 PM
CLEAR

Wind

0mph

Precip

0%

Humid

77%

Elev Δ

+3800ft

12-Hour Temp Trend

49°64°

Hourly Forecast

3 PM

⛅

62°

5mph

4 PM

⛅

64°

5mph

5 PM

⛅

64°

7mph

6 PM

⛅

63°

7mph

7 PM

⛅

62°

6mph

8 PM

⛅

59°

4mph

9 PM

⛅

58°

4mph

10 PM

⛅

55°

5mph

11 PM

⛅

54°

3mph

12 AM

⛅

53°

1mph

1 AM

☀️

50°

2mph

2 AM

☀️

49°

5mph

Summit Conditions

63°F→−10°→53°F

Wet lapse rate: 2.7°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 2:40:58 PM · America/Los_Angeles

Updated Jun 4, 2:40 PM UTC

More trails in Pacific NW

Mount Rainier — Skyline Trail

7,000 ft · moderate

Enchantments Traverse

7,800 ft · strenuous

Mount Si

3,900 ft · moderate