Kerttu Trail
- 2.6 mi
- round trip
- 442 ft
- climb
- 3,734 ft
- high point
- Out and back
- route
- Apr–Oct
- best months
Is Kerttu Trail open right now?
Closure in the area
There's a closure order in Nez Perce-Clearwater National Forest. It doesn't name Kerttu Trail, so check the source for the area it covers (2 listed).
Updated 250 Road Closure
Agency closure covering Nez Perce-Clearwater National Forest · USFS · Nez Perce-Clearwater National Forest
Dry Creek Culvert Replacement--Closure of NFSR #768
Agency closure covering Palouse Ranger District · Order 01-17-52-26-004 · USFS · Palouse Ranger District
White Pine Fire Scar Closure
Agency alert covering Palouse Ranger District · Order 01-17-52-26-002 · USFS · Palouse Ranger District
Laird Park Water Unavailable For 2026 Season
Agency alert covering Nez Perce-Clearwater National Forest · USFS · Nez Perce-Clearwater National Forest
As of · Source: USFS · Nez Perce-Clearwater National Forest. Agencies don't list every closure — check before you go.
Kerttu Trail is an easy out-and-back hike of about 2.6 miles in Mary Minerva McCroskey State Park, Idaho. The route rises roughly 440 feet from its low point of about 3,157 feet to a high of about 3,734 feet, making it a short, gentle climb for a day in the park. The trail lies within the Palouse Ranger District of the Nez Perce-Clearwater National Forest, and the state park is managed by Idaho's State Park and Recreation agency. The Kerttu Trail McCroskey State Park version of the hike starts just 0.1 mile away, and the Trail McCroskey State Park and James E. Dewey Trail are both about 0.4 mile off. Summer and early fall are the most comfortable times to go. Typical averages from a nearby weather station show July highs around 82°F and September highs around 74°F with only a few wet days a month, while winter brings highs in the upper 30s and snow on several days a month. Other trails close by include the Pt. Sublime Trail at about a mile and the Iron Mountain Trail at about 1.6 miles.
Local outfitters
- Pines RV Park17 mi away
- Lost Moose Campground37 mi away
Not on Roamze yet. Their page has how to reach them.
- Kerttu Trail McCroskey State ParkHiking0.1 mi
- Trail McCroskey State ParkHiking0.4 mi
- James E. Dewey TrailHiking0.4 mi
- Pt. Sublime TrailHiking1 mi
- Iron Mountain TrailHiking1.6 mi
- Huckleberry TrailHiking2.3 mi
- Redtail TrailHiking3.4 mi
- Lone Pine TrailHiking3.8 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
EAST FORK MEADOW CREEK AHiking · ~26 min drivePhoto: David Dugan, CC BY-SA 3.0 (via Wikimedia Commons)
EAST FORK MEADOW CREEK CHiking · ~27 min drivePhoto: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)
EAST FORK MEADOW CREEKHiking · ~28 min drivePhoto: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)
EAST FORK MEADOW CREEK BHiking · ~27 min drivePhoto: David Dugan, CC BY-SA 3.0 (via Wikimedia Commons)
West End Primitive TrailHiking · ~31 min drivePhoto: David Dugan, CC BY-SA 3.0 (via Wikimedia Commons)- Korth TrailHiking · ~8 min drive
- Kerttu Trail McCroskey State ParkHiking · Next door
- EAST FORK GOLD CREEKHiking · ~20 min drive
- MEADOW CREEK LOOPHiking · ~26 min drive
- Trail McCroskey State ParkHiking · Next door
Also worth it near here
- Iron Mountain CampgroundCamping · ~3 min drive
- National Forest Development Road 377Cross-country skiing · ~23 min drive
Palouse RiverCanoeing · ~27 min drivePhoto: Jgreenbook at English Wikipedia, Public domain (via Wikimedia Commons)
Steptoe ButteSummit · ~27 min drivePhoto: Dsdugan, CC0 (via Wikimedia Commons)
Best time to visit Kerttu Trail
Best months: April–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
37° / 26°
10 wet · 5 snow
Feb
41° / 26°
9 wet · 3 snow
Mar
48° / 30°
11 wet · 2 snow
Apr
56° / 34°
9 wet · 1 snow
May
65° / 40°
9 wet
Jun
71° / 45°
7 wet
Jul
82° / 49°
4 wet
Aug
84° / 48°
3 wet
Sep
74° / 42°
4 wet
Oct
59° / 35°
8 wet
Nov
44° / 30°
10 wet · 2 snow
Dec
36° / 25°
10 wet · 5 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Potlatch 3 Nne, ID, 11.2 mi away at 2,760 ft. The station sits about 1,000 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Map and trail data © OpenStreetMap contributors