Hikes›Canada›Ontario›Ottawa-Temiskaming Highland Trail (NO REGULAR MAINTENANCE)Hikes in Ottawa-Temiskaming Highland Trail (NO REGULAR MAINTENANCE)Hidden LakeDay hike · 3.0 km · ↑ 63 mOttawa-Temiskaming Highland Trail (NO REGULAR MAINTENANCE)Multi-day · 28.5 km · ↑ 788 m