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Hillside to Hollow Reserve Trails & Conditions

Hillside to Hollow Reserve is a mountain bike trail network in the Boise area, with 15 featured trails tracked here for daily conditions, the 7-day outlook, and the best time to ride.

15 featured trails elevation 2,690–3,202 ft in Boise

Is Hillside to Hollow Reserve rideable right now?

Right now about 15 of 15 Hillside to Hollow Reserve trails are riding well. Conditions change daily with rain, so the list below shows the live read for each trail, and the chart shows which day ahead is your best bet.

Hillside to Hollow Reserve conditions at a glancesnapshot · Oct 15

Live conditions map
© OpenStreetMap
Open the live map →
Riding right now
15 of 15 trails riding well
Dusty / loose 15
Air quality
AQI 35 · Good
EPA AirNow (observed) + CAMS forecast. Informational.
Next 10 days
Trails riding well each day · blue dot = rain
15Today15Fri15Sat15Sun15Mon15Tue15Wed2Thu0Fri4Sat
Trails are riding well today. Rain Thursday (about 16 mm) is likely to soften things, so aim to ride before then.
Temperature this week
Lower trails2,723–4,698 ft
36°typical 49°–69°F78°
High country5,253–6,857 ft
28°typical 39°–61°F68°
20°40°60°80°
Trail soil & drainage
Loam 87%Sandy 13%
Mostly loam, which drains at a moderate pace.
See the live map & forecastEvery trail's live read · best time to ride · 10-day outlook→
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Hillside to Hollow Reserve FAQ

When will Hillside to Hollow Reserve dry out?

It depends on recent rain and the soil. The 10-day outlook on this page shows how many Hillside to Hollow Reserve trails are expected to be riding well each day, with rain markers, so you can pick the right day. See the 10-day outlook →

How many mountain bike trails are in Hillside to Hollow Reserve?

Hillside to Hollow Reserve has 15 featured mountain bike trails tracked here for conditions. It's part of the Boise riding area in Idaho.

Where is Hillside to Hollow Reserve?

Hillside to Hollow Reserve is a mountain bike trail network in the Boise area of Idaho, running from about 2,690–3,202 ft. Open the live map for trailheads, GPX, and today's conditions on each trail. Open the live map →

Is Hillside to Hollow Reserve too muddy to ride after rain?

Hillside to Hollow Reserve is mostly loam soil, which drains at a moderate pace. After a storm some trails firm up within a day while others stay greasy, so the live read above shows which are rideable before you drive out. Check the live conditions →

What is the best day this week to ride Hillside to Hollow Reserve?

Based on the 10-day outlook, Thursday looks best, with about 15 of 15 Hillside to Hollow Reserve trails expected to ride well. The outlook chart above shows the full 10 days so you can time your ride.

More Boise trail networks

All Boise trails → · Idaho conditions →