Mountain Bike

15.0 miles

Distance

976 ft

Climb

-1,078 ft

Descent

817 ft

High Point

This route hits all the advanced trails.

Detailed Description

All Diamonds is a 15 mile moderately popular expert route located near Maple Valley Washington. This mountain bike only route can be used one direction and has a hard overall physical rating. This route includes 50 trails. This route climbs 976 ft with a max elevation of 817 ft then descends -1,078 ft.

Local Trail Association

Evergreen Mountain Bike Alliance | EMBA (evergreenmtb.org)

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Trail Products

Pacific Northwest National Forest Recreation App
Phone App

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Trails in Route

	Iron Brigade				417 ft
	Feeder Line				2 miles
	Iron Brigade				417 ft
	Exit 1				456 ft
	Back Nine				2,008 ft
	Water Tower				906 ft
	Old Mike				1,096 ft
	Maple Rock				2,031 ft
	Fire Road				207 ft
	Sting'r				1,627 ft
	Route 66				98 ft
	Once Upon A Time				1,227 ft
	Derailer				2,582 ft
	Once Upon A Time				203 ft
	Humpty Dumpty				1,096 ft
	Once Upon A Time				436 ft
	Upper Beaver Tracks				1,083 ft
	Schrader				1,115 ft
	Upper Beaver Tracks				1,250 ft
	Big Beaver				3,182 ft
	Upper Beaver Tracks				331 ft
	Route 66				325 ft
	'Lil Red				840 ft
	Bad Wolf				410 ft
	Once Upon A Time				551 ft
	Upper Beaver Tracks				1,083 ft
	Schrader				1,115 ft
	Upper Beaver Tracks				1,745 ft
	Route 66				1,598 ft
	Master Link				942 ft
	Powerline Road				1,352 ft
	Brain Wave				3,301 ft
	Spooky				1,716 ft
	Remaster				745 ft
	Rock & Roll				2,126 ft
	Route 66				1,959 ft
	Connector				213 ft
	Walk Up				285 ft
	ATM				1,263 ft
	Walk Up				676 ft
	Access Road				3,766 ft
	Tribulation				2 miles
	Access Road				328 ft
	Main Line				1,040 ft
	Old Railroad Grade				315 ft
	Black Lagoon				630 ft
	Main Line				413 ft
	Creature				600 ft

Details

Riding area

Henry's Ridge Open Space
Primary Activity

Mountain Bike
Difficulty rating

Black Diamond
Route Type

Point to Point
Bike type

AM
Direction

One Direction
Physical rating

Hard

More Stats for All Diamonds mountain bike route

Avg time

3 hr 37 min
Altitude change

-104 ft
Altitude min

546 ft
Altitude start

652 ft
Altitude end

548 ft
Grade

-0.1%
Grade max

-42%
Grade min

35.4%
Distance climb

4 miles
Distance down

5 miles
Distance flat

6 miles

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Map Views

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Trail Conditions

1 Day
1 Week
1 Month
All Time

Unknown
Snow Groomed
Snow Packed
Snow Covered
Snow Cover Partial
Freeze/thaw Cycle
Icy
Prevalent Mud
Wet
Variable
Ideal
Dry
Very Dry

Trail Flow (Ridden Direction)

Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.

> 96%
> 90%
> 80%
> 70%
> 50%
< 50%
bi-directional trail
no data

Trail Last Ridden

Trailforks scans ridelogs to determine the last time a trail was ridden.

< 2 days
< 1 week
< 2 weeks
< 1 month
< 6 months
> 6 months

Trail Ridden Direction

The intended direction a trail should be ridden.

Downhill Only
Downhill Primary
Both Directions
Uphill Primary
Uphill Only
One Direction

Contribute Details

Colors indicate trail is missing specified detail.

Description
Photos
Description & Photos
Videos
Only trails in this region hierarchy

Trail Popularity ?

Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.

most popular
popular
less popular
not popular

ATV/ORV/OHV Filter

ATV - 50 inches
OHV, SxS - 60 inches
Jeep - 72 inches

Max Vehicle Width

inches

Ridelog Year

Radar Time

x Activity Recordings

Trailforks users anonymized public ridelogs from the past 6 months.

mountain biking recent
mountain biking (>6 month)
hiking (1 year)
moto (1 year)

Activity Recordings

Trailforks users anonymized public skilogs from the past 12 months.

Downhill Ski
Backcountry Ski
Nordic Ski
Snowmobile

Winter Trails

Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.

x Missing Trails

status	trail	date	condition	description
	Exit 1	May 21, 2025 @ 2:07pm 1 day
	Fire Road	May 21, 2025 @ 2:07pm 1 day
	Back Nine	May 21, 2025 @ 2:07pm 1 day
	Water Tower	May 21, 2025 @ 2:07pm 1 day
	Sting'r	May 21, 2025 @ 2:07pm 1 day