Resources BMLA DocumentsBLMA Bylaws (PDF) Lake EducationWake Safe MapBig Mantrap Lake Map (PDF w/ Landmarks) Local and StateLake Finder (MN DNR)Watershed Health Assessment (MN DNR)Ice In/Out (MN DNR)Mantrap TownshipCity of NevisCity of Park Rapids ConservationNorthern Waters Land Trust – 3M Mantrap Lake Project2025 Lake Steward Webinar – YouTubeAquatic Plant Survey – PDFHubbard County Coalition of Lakes – Big Mantrap Report (PDF) Resorts & LodgingMantrap LodgeFremont's Point ResortNorway Hills ResortMantrap Lake Campground Aerie NewslettersAerie 2026-05.pdfAerie 2026-01.pdfAerie 2025-10.pdfAerie 2024-05.pdfAerie 2024-02.pdfAerie 2023-06.pdfAerie 2022-09.pdfAerie 2022-02.pdf Fishing & RecreationMantrap Lake Fishing InfoMinnesota Resorts Directory – Mantrap LakeExplore Minnesota – Park Rapids