The MT Conservation Calendar is maintained in partnership with the University of Montana Environmental Studies program. Updated daily. REFRESH/RELOAD often. Times given are Mountain Time. Links to more info are in bold blue italics. Scan ahead to check for RSVPs, deadlines & rescheduling. All events open to the public.

Email event notices here.

Click a month to view that month:

April 2024
May 2024
June 2024
July 2024
August 2024
September 2024
October 2024
November 2024
December 2024

Click here to see other community calendars.

Click here to visit the recurring events page.


April 2024– Earth Month

April — MT Soil Health Day/Week/Month.. See Missoula County Extension’s programs  &.  classes including  pollinator conferences (4/24-25). More info. 

April 23-25 — FWP offers community meetings on bear safety concerns. remaining events: April 23, 6pm; Harlowtown Public Library, 13 Central Ave. S; April 25, 6pm; Red Lodge Ales Brewing Co., 1445 N. Broadway.

April 19 — MontPIRG reunion, 6:30-9pm, Goodworks, 129 W. Alder, Missoula

April 20 (Sat) — Run for the Trees in Missoula. benefits Trees for MissoulaInfo/register here.

April 20 — Flathead Earth Day Expo: Uniting Nature & Technology.  9am -4pm at Flathead Valley Community College in Kalispell. Exhibits, workshops, presentations, children’s activities, EV showcase.

April 20 — Volunteer Post-fire seedling planting, Paradise, MT area (which burned last year)  All day; you can camp that night. More info, contact Dr. Cherlyn *Jones at or at 406.270.3258.

April 20 — Earth Day Volunteer Revegetation Project, Flathead State Park — 10am-2pm, 17768 MT HWY 93, Lakeside, MT . Register at 406-837-3041.

April 20 — Gallatin Valley Earth Day Festival.  9am-3pm at Gallatin County Fairgrounds. Talks, exhibits, food, live music, children’s activities.

April 20 — SustainaBillings Earth Day.  10am-4pm . The Loft Dance Club, 1123 1st Ave N., Billings

April 20 — Bird Walk at Metcalf Refuge in the Bitterroot valley. 10 am -1pm

April 20 — Earth Day Walk (& litter cleanup) with Missouri River Open Lands along the Missouri River . <–link to time & place (Great Falls, 10 am).    RSVP to

April 20-25 — International Wildlife Film Festival, Missoula, kicks off with Wild Walk Parade & WildFest on April 20. Best of Festival screening on April 27 and Virtual Festival available on Eventive from April 28 to May 3.

April 20-27Earth Week at the Missoula Public Library  (navigate on the library calendar to April 20)

April 21 (Sun) — Flathead River Cleanup 10am-1pm, Columbia Falls.  hosted by Flathead Rivers Alliance & Wild MT. Info/register here. 

April 21  — Clark Fork River Cleanup.   10 am-1pm, Caras Park, Missoula. Hosted by Clark Fork Coalition.  Litter pickup followed by party in the park. And you can do a cleanup on your own schedule with supplies from the Coalition. Info here.

April 21 — Spring Song Circle & Earth Day Celebration with Earth Within Girls. 10:30am-12:30 pm, Missoula. Info here.

April 21 — Missoula Urban Demo MUD Project Earth Day Celebration noon – 3pm. 1527 Wyoming, Missoula. Fun, food, music and info on community sustainability efforts.

April 21 — Yellowstone Wildlife Sanctuary’s Earth Day Speaker Series, 10am-4pm, Red Lodge

April 22 (Mon) — EARTH DAY Theme — Planet vs Plastics.   Events — 

April 22 — Earth Day bird walk, 8 am, Greenough Park, Missoula.

April 22 (Mon) — Big Blackfoot Chapter of Trout Unlimited annual meeting. 5pm at Trixi’s in Ovando. RSVP by April 15 to or 406-240-4824. Dinner, silent auction, restoration report, state of the fishery.

April 22- 26 — Climate Week at MSU. Talks, music, displays, raffle.  Most events live-streamed & recorded. More info, email Paul Lachapelle

April 22– RESCHEDULED TO MAY 15 IN HELENA . MT Supreme Court hears oral arguments of case against DEQ’s approval of NorthWestern Energy’s Laurel gas plant. online schedule here . A different case was scheduled for April 22.

April 23 (Tues) –6th annual Cleanup of Clark Fork riverside at Missoula’s Reserve St Bridge. 9am-4pm, meet at 700 block of N. Davis. Hosted by Reserve Street Working Group. Volunteers pick up litter and provide feedback on park planning at the site. Info here. 

April 23  — UM’s Earth Week Sustainability Fair. (<– scroll down to events).  11:30 am – 2 pm, tabling on the Oval.

April 24 (Wed) — Garden City Harvest Weekly Workshop series  –Prepping garden beds, 6-8 pm, 206 N. 2nd St. W., Msla.

April 24  — Building Livable Communities workshop. 1-3 pm, Bozeman Public Library. More info:

April 24-25 — Public meetings on cleanup plans for the Columbia Falls aluminum smelter superfund site. Open house from noon-5pm. Formal presentation at 6:30 pm followed by Q&A. Where: The Hub Downtown,  533 1st Avenue East in Columbia Falls.

April 24-25 — Clark Fork Science Forum. at Montana Technological University, Butte. Info/register here. 

April 25 (Thur) — Water Quality 101 Webinar for volunteer water monitors.  1-2:30 pm. Info/register here. 

April 25 — Trees & Climate Resiliency — Trees for Missoula explains how urban <–  moderate climate impacts. 5-6:30 pm at Rocky Mountain Gardens, Missoula Fairgrounds More info here (scroll to that event).

April 25 — Indigenous Environmental History of the Buffalo Food System. by Dr. Jill Falcon Ramaker (Anishinaabe) Asst Professor, Community Nutrition & Sustainable Food Systems at MSU & Director, Buffalo Nations Food System Initiative. 6-7pm, Strand Union, MSU, Bozeman (info here).

April 26 (Fri) — Lunch & Learn about the toxic papermill site on the Clark Fork River. Noon- 12:30 in UM’s Eck Hall (rm 342) . Pizza & info provided by MontPIRG.

April 26 — Volunteer work day at Rocky Mountain Gardens at Missoula Fairgrounds.  can sign up for various shifts between 11:30 am & 4pm. more info:

April 26 — Arbor Day tree planting, North Meadows Park, Bozeman. noon to 3pm.

April 26-June 10 — Public may comment on rules for narrative nutrient standards for water quality proposed by MT DEQ. Info on DEQ website under  “Agendas, Meeting Summaries & Materials” accordion of Nutrient Work Group. Questions to : or (406) 444-6491.

April 27 (Sat) — Birding field trip to Brown’s Lake. Meet at 8 am in NW corner of UM’s Adams Center parking lot.

April 27 — Hands on the Land volunteer work day — replacing fencing with wildlife friendly fencing along LaValle Creek near Missoula airport. 9:30 am to 2:30 pm. Five Valley Land Trust provides lunch. RSVP by April 24 to

April 26-27 – Forestry Day at Ft. Missoula. 9:30am-4pm

April 27: Wild Wander: Springtime at Fort Missoula and Slevin’s Island, 10am – 1pm.

April 27 — Family Friendly Open House for Friends of Seeley & Swan Valley. 11am-3pm, Foundation building in Seeley Lake. Info here (scroll down on that page). 

April 27 — University Neighborhood clean up & updates led by University District Neighborhood Assn. 12-2pm at Bonner Park, Missoula.

April 27 — Cabinet Resource Group annual meeting. at Elk Barn, 407 Elk Cr. Rd, Heron, MT. 3pm social; 5 pm business meeting, board election, silent auction.

April 28 — Rankin Peace Center’s Peacemaker of the Year Award Ceremony, 1-3 pm at Freecycles, 732  1st St W., Missoula

April 29 (Mon) — Watershed Education Network’s  Speaker Series ends with report on Rattlesnake & Grant Creeks . 5-7 pm in UM’s University Center 333  .  or via  Zoom link.

April 29  — Building Livable Communities workshop. 4-6pm, Belgrade Community Library. More info:

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May 2024

May 1 (Wed) — Big Sky Passenger Rail Authority Executive Committee meeting.    11am -noon.May 1 (Wed) — Big Sky Passenger Rail Authority

May 1 — Garden City Harvest Weekly Workshop series  –veggie garden basics, 6-8 pm, 1657 River Road, Msla.

May 1 —Montana Trivia Night x — FUNdraiser for Protect the Clearwater.  7-9 pm at MT Natural History Center, 120 Hickory, Missoula. purchase $5 tickets in advance at MT Trivia Night | Humanitix

May 1, 8, 15, 18, 22, 29 — Waterwise Landscaping webinars, 6pm. Free but must register for zoom link. 

May 2 (Thur) –Stone pulpmill cleanup Citizen Advisory Group meets. all welcome. 6 pm in Frenchtown Fire Department or via zoom. 

May 3 (Fri) — Women: A Force of Nature ! Art Auction & FUNdraiser for Earth Within Girls. 5-8 pm at Confluence Center, 119 W. Main, Missoula.

May 3 & 5 — Bird Walk in the Indreland Sacajawea Wetland Preserve. 8-10 am. Meet at 777 E. Main, Bozeman.

May 4 (Sat) — Volunteer Garden Work Day at Rocky Mountain Gardens at Missoula Fairgrounds. Help build the new demonstration gardens. 10 am to noon. All ages & abilities welcome. More info, contact 

May 4 — Dry Land Vegetable Garden Workshop at the Moon-Randolph Homestead, Missoula. 11 am to noon. This kicks off the Homestead’s open visitation season.

May 4- Oct (Saturdays) — Moon-Randolph Homestead‘s open visitation season. Missoula.  11 am to 5pm.

May 6 (Mon) — UM Retirees Cleanup Highway 200. 10 am until done. All welcome. For more info, email Tim Edwards 

May 7 (Tues) — Deadline to submit comments to DEQ on Natural Resource Damage Assessment Plan for the Burlington Northern (BN) Livingston Shop Complex. <–info

May 8 (Wed) — Big Sky Passenger Rail Authority Board Meeting, 11 am-12:30 pm. Billings and online.

May 11 — Birding field trip to Kelly Island, Missoula. 8am

May 13  (Mon) — Bird Migration Watch at Fort Missoula Ponds,4:30 to 6:30 pm. Scopes & guides provided or bring your own. Hosted by Clark Fork Coalition, Five Valleys Audubon, Learning with Meaning.

May 13 — Waterfowl Protection Program, 7pm, UM’s Interdisciplinary Science bldg room 110. Hosted by Five Valleys Audubon.

 May 14 (Tues) – MT  Water Review Working Group meets. 9am-4pm. in Glasgow & via Zoom. info/register here.   Focus — how to protect existing uses of water while providing for growing communities. Hopefully web site will be updated to show this meeting.

May 15 (Wed)– UM’s annual Sustainability Thrift Sale. 9 am to 5pm in Schreiber Gym — clothes, books, household items. donated by students heading out on new adventures.

May 15 –  Preventing Climate-Related Harm webinar series ends-7:30pm. Info/Register free  here.

May 15 — MT Supreme Court will hear oral arguments in the case against DEQ’s approval of NorthWestern Energy’s Laurel gas plant. 9:30 am in Montana Supreme Court courtroom, Joseph P. Mazurek Justice Building, Helena. Open to the public. online schedule here (scroll down to May 15).

May 16 (Thur) — Wild Montana Dinner & Jamboree — 5:30 pm at Northern Rockies Heritage Center, Missoula. info/tickets. 

May 16-17 — Conference on Indigenous Science & Language. 8am -4pm. University of Montana

May 17 (Fri) — Citizens for a Better Flathead FUNdraiser/Raffle Party, 6-8:30 pm at Flathead Community College.

May 18 (Sat) — The Garden City’s Great Day of Gardening. 1-4 pm. Lots of resources for gardeners at Missoula’s community gardens. Volunteers needed 12:30-3:30pm. More info here. 

May 18 — Electrification Home Tour in Missoula, 2-4 pm (followed by happy hour). Info here (will need to scroll to that event). Missoula Climate Smart.

May 18 — Five Valleys Land Trust annual Banquet/Fundraiser. UM Adams Center, 5-9:30 pm.

May 19 (Sun) — Medicinal Plant Sale offered by Missoula Extension. 10am-1pm, behind Meadowsweet Herbs, 180 S. 3rd St West, Missoula.

May 31 (Fri) — Jeannette Rankin Peace Center’s annual Peace Party/fundraiser. 5pm at Ogren Park, Missoula. Info/tickets.  

May 31 – June 2 — Wings Across the Big Sky, MT Audubon’s Birding Festival. Helena. Info/Register 

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June 2024

June 1-2 — National Trails Day. Great Burn Conservation Alliance kicks off its summer stewardship projects which continue through October. List here. 

June 6 — Happy Birthday, Montana Constitution, ratified by the people, June 6, 1972. 

June 6 — Federal Railroad Administration meets in Missoula to discuss returning passenger rail service along Montana’s North Coast Hiawatha route. Info here.

June 7 (Fri) — Big Sky Passenger Rail Authority annual meeting. Missoula. check back for details.

June 10 (Mon) — Public Hearing on proposed narrative nutrient water quality standards. 10 am in room 111 of DEQ’s Metcalf building in Helena and also via zoom. When available, zoom link will be on DEQ’s public participation web page. More info, contact : or (406) 444-6491.

June 10-12 — Roots of Integrity master class, Livingston, MT.  practical strategies for regenerating soil health, water systems and quality food.

June 13 — Deadline to comment on BLM’s draft Environmental Impact Statement on Sage Grouse management plan 

June 20(Thur) — Flathead Lakers annual meeting. at The Barn on Finley Point. Details to follow.

June 21-23 — Old Salt Festival, Helmville, MT. Celebrate land stewardship, local food & music.

June 23 (Sun) — Walk along the Missouri River with Wild Montana & Missouri River Open Lands. 2pm. Register at .  Then BBQ & FUNdraiser at 4-8 pm, Great Falls. RSVP

June 24-27 — Glacier National Park birding week. For info, email Andrea

June 28-30 — MT Native Plant Society’s annual meeting– Prairies to Potholes. at Camp Utmost in the Blackfoot Valley. Workshops & Field trips. all welcome.

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July 2024

July 11 (Thurs) –Flathead Lake Biostation Research Cruise for donors. Info here (scroll down at that site).

July 26-29 — Wild Rockies Field Institute celebrates 30 years ! in Missoula.  Info/RSVP.

July 27 — Composting/Organic Fertilizer Workshop. noon-2pm, Soil Cycle, Msla. Info/Register here.

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August 2024

Aug 2 (Fri) — Flathead Lake Biostation Open House. Info here   (scroll down at that site).

Aug 10 (Wed) — Flathead Waters Cleanup — for more info, contact <>

Aug 17-18 — Montana Herbal Festival , Exploration Center, Missoula Fairgrounds

Aug 18 (Sun) — Community BBQ/FUNdraiser in Great Falls with Missouri River Open Lands. 4-7 pm. RSVP to

Aug 24 (Sat) — Montana Clean Energy Fair, Billings. MT Renewable Energy Association 

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September 2024

Sept 12 (Thur) — Walking audit for bike-ped safety on Reserve St, Missoula. 4-5 pm. Info here.

Sept 13-15 — Wilderness Watch Celebration of the 60th anniversary of the Wilderness Act. at Wilderness Gateway Campground on the banks of the Lochsa River by the Selway-Bitterroot Wilderness. speakers, discussion, music, food.  Check back for more info.

Sept 18-21 — Watershed Tour in the Sun River Watershed led by MT Watershed Coordination Council

Sept 27 (Fri) — UM’s Environmental Law Group hosts a continuing legal education event at UM Law School. Followed by Biomes, Blues & Brews fundraiser at Freecycles. check back for details.

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October 2024

Oct 5 (Sat) — Fall Gathering at Moon-Randolph Homestead, Missoula.

Oct 9-11 — Annual conference of MT Chapter of American Water Resources Association.  Grouse Mountain Lodge, Whitefish. Theme: Climate Change, Wildland Fire, and their impacts on Montana’s water resources. Oral abstracts due July 26; poster abstracts due Aug 9

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November 2024

Check back soon for more events.

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December 2024

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Other Community Calendars (links)

Email updates here.

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