🚵 Is It Rideable
HomeWashington › Olympia & Capitol Forest

Olympia & Capitol Forest Mountain Bike Trail Conditions

Capitol Forest, southwest of Olympia, is one of western Washington's largest trail networks. The Capitol Peak and Green Line trails climb through second-growth Douglas-fir on soft, loamy soils that hold water under the canopy. The wet climate means the riding firms up best in the drier summer and early fall.

58 featured mountain bike trails elevation 89–2,654 ft

Is it muddy in Olympia & Capitol Forest right now?

Right now about 38 of 58 featured Olympia & Capitol Forest trails are riding well. Conditions change daily with rain and snowmelt, so the list below shows the live read for each trail, and the chart shows which day ahead is your best bet.

🚲 Riding gravel? See gravel & dirt road conditions near Olympia & Capitol Forest →

Olympia & Capitol Forest conditions at a glancesnapshot · Jun 30

Live conditions map
© OpenStreetMap
Open the live map
Riding right now
38 of 58 trails riding well
Hero dirt 38Soft — ride gently 20
Air quality
AQI 21 · Good
EPA AirNow (observed) + CAMS forecast. Informational.
Next 10 days
Trails riding well each day · blue dot = rain
38Today41Tue43Wed48Thu18Fri45Sat53Sun58Mon58Tue58Wed
Trails are riding well today. Rain Friday (about 4 mm) is likely to soften things, so aim to ride before then.
Temperature this week
Lower trails135–1,010 ft
43°typical 50°–66°F73°
High country1,112–2,031 ft
40°typical 46°–60°F67°
30°50°70°
Trail soil & drainage
Decomposed granite 10%Loam 88%Mixed 2%
Mostly decomposed granite, which drains fast and firms up quickly after rain.
See the live map & forecastEvery featured trail · best bets today · 10-day outlook

Best time of year to ride Olympia & Capitol Forest

Typical riding conditions by month, blending heat and trail conditions from 10 years of local climate data — so you can plan a trip for the right window.

The best time to ride Olympia & Capitol Forest is May through September, when daytime highs sit in the 64–78°F range and the dirt is typically dry. January through April and October through December tends to be the wettest, muddiest stretch. Planning a trip? Those are your safest bets — and for this week, the live forecast below shows exactly which days are riding well (right now 38 of 58 featured trails are good to go).

January: Mud season, typical high 45°F (ride score 50/100)J45°February: Mud season, typical high 45°F (ride score 50/100)F45°March: Mud season, typical high 51°F (ride score 62/100)M51°April: Mud season, typical high 56°F (ride score 71/100)A56°May: Prime, typical high 64°F (ride score 91/100)M64°June: Prime, typical high 70°F (ride score 97/100)J70°July: Prime, typical high 77°F (ride score 100/100)J77°August: Prime, typical high 78°F (ride score 100/100)A78°September: Prime, typical high 70°F (ride score 86/100)S70°October: Mud season, typical high 59°F (ride score 64/100)O59°November: Mud season, typical high 49°F (ride score 57/100)N49°December: Mud season, typical high 43°F (ride score 46/100)D43°
PrimeMud season

Bar height = our ride-friendliness score for a typical year; colour = the main limiting factor; the number under each month is the average daytime high. Based on 2014–2023 climate normals (ERA5); this year's live conditions are below.

Best Olympia & Capitol Forest mountain bike trails to ride right now

Every featured singletrack trail, sorted by today's real conditions, best first. Refreshed every morning. Riding gravel instead? See gravel and dirt road conditions near Olympia & Capitol Forest.

Olympia & Capitol Forest mountain biking FAQ

What are the best mountain bike trails to ride near Olympia & Capitol Forest right now?

Today the trails riding best near Olympia & Capitol Forest are Mima Mounds South Loop Trail, Piedra Trail and Happy Horse. The full list below is sorted by today's real conditions, best first, and refreshes every morning, so the top of the list is always your best bet right now. See live conditions →

When will the mountain bike trails in Olympia & Capitol Forest dry out?

It depends on recent rain and each trail's soil. The 10-day outlook on this page shows how many Olympia & Capitol Forest trails are expected to be riding well each day, with rain markers, so you can pick the right day instead of guessing. See the 10-day outlook →

Is it too muddy to ride in Olympia & Capitol Forest after rain?

Right now 20 of 58 featured Olympia & Capitol Forest trails are reading soft or too muddy to ride. Olympia & Capitol Forest is mostly loam soil, which drains at a moderate pace, so after a storm some trails firm up within a day while others stay greasy. Riding wet, soft dirt damages trails and leaves ruts, so check the live mud reading on each trail before you head out. Check the live mud reading →

How many mountain bike trails are in Olympia & Capitol Forest?

Olympia & Capitol Forest has 58 featured mountain bike trails tracked here for conditions, with more searchable on the live map.

How high are the Olympia & Capitol Forest trails?

Olympia & Capitol Forest trails run from about 89–2,654 ft. Higher trails hold snow later into spring and dry out later than the lower ones, so conditions can vary a lot across the same area on the same day.

When is the best time to ride mountain bikes in Olympia & Capitol Forest?

The best time to ride Olympia & Capitol Forest is May through September, when daytime highs are in the 64–78°F range and the trails are typically dry. January through April and October through December tends to be the wettest, muddiest stretch. This is based on 10 years of local climate data; check the live conditions on this page for how the trails are actually riding today.

Get the weekly conditions report.
Pick the region you ride and we'll tailor it. Real dirt, dust, and melt-out reads. No spam.
One email a week in season. Unsubscribe anytime. We never sell your address.

More Washington mountain bike regions

See all Washington trail conditions →

Other states: Colorado · Utah · Arizona · New Mexico · Wyoming · Montana · Idaho · Nevada · California · Oregon · Texas

Nearby regions across the state line