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Easy
Moderate
Hard
Any length
Under 3 mi
3–6 mi
6–10 mi
10+ mi
Any climb
Under 500 ft
500–1,500 ft
1,500–3,000 ft
3,000+ ft
Any route
Loop
Out & back
Point to point
Any rating
3+ stars
4+ stars
4.5+ stars
2 trails for “Portman Nature Preserve”
📍 Near me
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Fern - Green Trail
Portman Nature Preserve, Michigan
Easy
Distance
0.7 mi
Elevation gain
↑ 39 ft
Estimated time
20 min
Route type
Out & back
Three Lakes - Blue Trail
Portman Nature Preserve, Michigan
Easy
Distance
1.9 mi
Elevation gain
↑ 141 ft
Estimated time
50 min
Route type
Out & back
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